Inside No. 9 is taking a trip into the past for its latest episode, where we find ourselves inside the grand manor house of a prolific composer, where a piano tuner is about to discover the 'Curse of the Ninth'.

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Series creators Reece Shearsmith and Steve Pemberton once again appear, alongside two big name guest stars in the shape of screen veteran Eddie Marsan and Game of Thrones alum Natalie Dormer.

This final run has been a strong finish for the anthology, with Boo to a Goose, The Trolley Problem and CTRL ALT ESC each delivering compelling stories with knockout endings, with only Mulberry Close arguably falling a little short.

For an overview of the full cast of Inside No. 9 season 9 (so far), read on – and do check back, as this page will be updated weekly as episode details are unveiled. Only the secretive finale remains!

Inside No. 9 season 9 cast

Episode 5: Curse of the Ninth

Reece Shearsmith plays Jonah

Jonah (Reece Shearsmith) stands in front of two stacked bookshelves
Reece Shearsmith stars in Inside No. 9. BBC Studios/James Stack

Who is Jonah? Jonah is a piano tuner by trade.

What else has Reece Shearsmith been in? Shearsmith is known for his earlier collaborations with Steve Pemberton on Psychoville and The League of Gentlemen.

In addition, he has featured in Venom: Let There Be Carnage, Saltburn, Foundation and, most, recently Netflix's 3 Body Problem (where he portrayed Alan Turing).

Steve Pemberton plays Dickie

Dickie (Steve Pemberton) in a grey three-piece suit
Steve Pemberton stars in Inside No. 9. BBC Studios/James Stack

Who is Dickie? Dickie is an associate of a widowed lady named Lillian.

What else has Steve Pemberton been in? Besides Inside No. 9, Psychoville and The League of Gentlemen, the actor and screenwriter is well known for Benidorm, Whitechapel, Happy Valley and Doctor Who.

He also competed as himself on the 17th season of comedic challenge show Taskmaster.

Natalie Dormer plays Lillian

Lillian (Natalie Dormer) standing in front of a dining table, holding a sheet of paper
Natalie Dormer stars in Inside No. 9. BBC Studios/James Stack

Who is Lillian? Lillian is a wealthy widow, who hires Jonah's services.

What else has Natalie Dormer been in? Dormer rose to fame playing ill-fated queen Anne Boleyn on period drama The Tudors, while she reached further heights as Margaery Tyrell in HBO's epic fantasy series Game of Thrones.

Her other credits include The Hunger Games: Mockingjay Part 1 and 2, Elementary, The Dark Crystal: Age of Resistance and Penny Dreadful: City of Angels.

Hayley Squires plays Devonshire

Devonshire (Hayley Squires) in an early 20th century black-and-white maid outfit, standing in front of a wood panelled wall
Hayley Squires stars in Inside No. 9. BBC Studios/James Stack

Who is Devonshire? Devonshire is Lillian's maid.

What else has Hayley Squires been in? Recently, Squires played Sara in Steven Knight's reimagining of Great Expectations and Martha in Tom Hiddleston drama The Essex Serpent. On the big screen, she is known for indie films I, Daniel Blake, The Electrical Life of Louis Wain and Beau Is Afraid.

Eddie Marsan plays Nathaniel

Eddie Marsan photographed at in a grey blazer and blue shirt at the Back to Black film premiere
Eddie Marsan. Manny Carabel/Getty Images

Who is Nathaniel? Nathaniel is a composer.

What else has Eddie Marsan been in? Never far from our screens, Marsan's recent work includes Amy Winehouse biopic Back to Black, Apple TV+ drama Franklin, Prime Video's The Power and ITVX's The Winter King.

He has previously earned acclaim for his performances in The Thief, His Wife and The Canoe, Ray Donovan and Jonathan Strange & Mr Norrell.

His film work also includes Deadpool 2, The Gentlemen, The World's End, Robert Downey Jr's Sherlock Holmes and its sequel, as well as Mission: Impossible III and Martin Scorsese's Gangs of New York.

Episode 4: CTRL ALT ESC

Steve Pemberton plays Jason

Jason in a dimly lit escape room with a mirror on the wall behind him
Steve Pemberton stars in Inside No. 9. BBC Studios/James Stack

Who is Jason? Jason is a man with a passion for games and puzzles, who is doing an escape room with his family.

Reece Shearsmith plays Doug

Jason stands next to escape room technician Doug, who is wearing a cap and holding a tablet
Steve Pemberton and Reece Shearsmith star in Inside No. 9. BBC Studios/James Stack

Who is Doug? Doug is the escape room host and technician.

Katherine Kelly plays Lynne

Lynne and her daughter, Amy, in an escape room environment with red lighting
Katherine Kelly and Maddie Evans star in Inside No. 9. BBC Studios/James Stack

Who is Lynne? Lynne is Jason's wife and mother to their two children.

What else has Katherine Kelly been in? Kelly recently portrayed Angela van den Bogerd in ITV's factual drama Mr Bates vs The Post Office. Previously, she was known for roles in Coronation Street, Mr Selfridge, Happy Valley, Gentleman Jack and Criminal: UK. She also has a supporting role in ITV sitcom Ruby Speaking.

Kalli Tant plays Millie

Jason puts his arm around his daughter's shoulders in a dimly lit escape room environment
Steve Pemberton and Kalli Tant star in Inside No. 9. BBC Studios/James Stack

Who is Millie? Millie is Jason and Lynne's eldest daughter, who will soon be leaving for university.

What else has Kalli Tant been in? Tant has previously made appearances in BBC One's The Responder and, more recently, Channel 4's The Gathering.

Maddie Evans plays Amy

The family featured in Inside No. 9 episode CTRL ALT ESC pose for a smiling photo in an escape room designed to look like a murderer's lair
(L-R) Maddie Evans, Steve Pemberton, Katherine Kelly and Kalli Tant star in Inside No. 9. BBC Studios/James Stack

Who is Amy? Amy is Jason and Lynne's youngest daughter, who is easily spooked by the escape room environment.

What else has Maddie Evans been in? Maddie played Dyana in HBO fantasy drama House of the Dragon and Alina in Paramount Plus period drama A Gentleman in Moscow.

Episode 3: Mulberry Close

Reece Shearsmith plays Damon

Damon (Reece Shearsmith) stands in the centre of the frame, looking somewhat dishevelled towards the camera
Reece Shearsmith stars in Inside No. 9's Mulberry Close BBC Studios/James Stack

Who is Damon? Damon is a man who has just moved into a new home on a quiet suburban street with his wife, Val.

Vinette Robinson plays Val

The characters of Inside No. 9's Mulberry Close huddle into the frame of the episode's doorbell camera
Vinette Robinson, Reece Shearsmith, Adrian Scarborough, Steve Pemberton and Dorothy Atkinson. BBC Studios/James Stack

Who is Val? Val has just moved to Mulberry Close with her husband, Damon.

What else has Vinette Robinson been in? Most recently, Robinson has earned acclaim for the role of Carly in restaurant drama Boiling Point and its television follow-up.

Her previous credits include Helen in Waterloo Road, Sally in Sherlock, Nicola in The A Word and Janet in The Lazarus Project. She can currently be seen in Channel 4 drama The Gathering.

Steve Pemberton plays Ken

Damon and Ken of Inside No. 9's Mulberry Close stare suspiciously into the episode's doorbell camera
Reece Shearsmith and Steve Pemberton star in Inside No. 9. BBC Studios/James Stack

Who is Ken? Ken is one of Damon and Val's neighbours. He lives across the street with his wife, Sheila.

Dorothy Atkinson plays Sheila

Ken and Sheila stand arm-in-arm outside their suburban home
Steve Pemberton and Dorothy Atkinson star in Inside No. 9. BBC Studios/James Stack

Who is Sheila? Sheila is Ken's wife, who is keen to keep her street looking prim and proper.

What else has Dorothy Atkinson been in? Atkinson has been all over our screens in recent years, bagging roles in major dramas such as Call the Midwife, Mum, Harlots, All Creatures Great and Small, and Magpie Murders.

Most recently, she played Jessie Cole in ITV drama Without Sin, Betty Boothroyd in factual miniseries Stonehouse, and Jeannie Savage in BBC One's The Gold. She also appeared as the mother of Barry Keoghan's Oliver Quick in Emerald Fennell's hit film Saltburn.

Adrian Scarborough plays Larry

Larry standing outside his house, wearing a jacket and cap, while holding his dog – a relatively small terrier
Adrian Scarborough plays Larry in Inside No. 9. BBC Studios/James Stack

Who is Larry? Larry is another resident of Mulberry Close, often seen walking his cute little dog.

What else has Adrian Scarborough been in? Scarborough is perhaps best known for his comedy work, with credits including Gavin & Stacey, Psychoville, Plebs and Miranda.

However, he has also appeared in a number of high profile dramatic appearances in the likes of Killing Eve, The Accident and Sanditon.

Episode 2: The Trolley Problem

Steve Pemberton plays Blake

Blake opens his car boot on a dark night, looking deeply concerned
Steve Pemberton stars in Inside No. 9. BBC Studios/James Stack

Who is Blake? Blake is a therapist who encounters a struggling man one fateful night.

Reece Shearsmith plays Drew

Blake stands in the foreground, his hands together, with Drew in the background, arms folded – both are looking straight ahead at the camera
Reece Shearsmith and Steve Pemberton star in Inside No. 9. BBC Studios/James Stack

Who is Drew? Drew is the vulnerable stranger who Blake welcomes into his home.

Episode 1: Boo to a Goose

Reece Shearsmith plays Gerry

Reece Shearsmith as Gerry and Siobhan Finneran as Edith in Inside No. 9. Shearsmith is wearing a suit and glasses while stood next to Finneran who is wearing a skirt, blouse and blazer. They are stood at the bottom of an escalator and are looking ahead.
Reece Shearsmith as Gerry and Siobhan Finneran as Edith in Inside No. 9. BBC Studios/James Stack

Who is Gerry? Gerry is a man returning home after a theatre show with his wife, Edith.

Steve Pemberton plays Wilma

Inside No. 9 S9 characters standing in an underground station
Inside No. 9 season 9. James Stack

Who is Wilma? Wilma is a drag queen on a night out.

Matthew Kelly plays Harold

Harold sits in a train carriage
Matthew Kelly stars in Inside No. 9. BBC Studios/James Stack

Who is Harold? Harold is a homeless man.

What else has Matthew Kelly been in? Kelly became a household name in the '90s for presenting talent show Stars in Their Eyes. He is also an actor, with many stage credits to his name.

Susan Wokoma plays Cleo

Steve Pemberton as Wilma and Susan Wokoma as Cleo in Inside No. 9. Pemberton is wearing a red dress and purple fur coat with a blue wig and eccentric makeup whilst pointing at something with a fan. Susan is wearing a white t-shirt and red plaid skirt while looking disgusted.
Steve Pemberton and Susan Wokoma in Inside No. 9. BBC Studios/James Stack

Who is Cleo? Cleo is Wilma's friend.

What else has Susan Wokoma been in? Wokoma is best known for her comedy work, including such acclaimed titles as Chewing Gum, Year of the Rabbit, Cheaters and Peacock. She also plays Edith in Netflix's Enola Holmes films and is another former Taskmaster contestant.

Philippa Dunne plays Elena

Elena on a train, holding on to a pole
Philippa Dunne plays Elena in Inside No. 9. BBC Studios/James Stack

Who is Elena? Elena is a nurse.

What else has Philippa Dunne been in? Dunne is an established comic talent with credits in BBC hit Motherland and Channel 4's Derry Girls. She has also taken more dramatic roles in This is Going to Hurt, The Woman in the Wall and Bodies.

Siobhan Finneran plays Edith

Edith sits in a train carriage
Siobhan Finneran in Inside No. 9. BBC Studios/James Stack

Who is Edith? Edith is Gerry's wife.

What else has Siobhan Finneran been in? Finneran is rarely far from our screens and has starred in some hugely popular dramas, including Downton Abbey, Happy Valley, The Stranger and Time. She also currently stars in Sophie Willan's acclaimed comedy-drama Alma's Not Normal.

Charlie Cooper plays Mossy

Mossy stands in a train carriage, holding a paper cup
Charlie Cooper stars in Inside No. 9. BBC Studios/James Stack

Who is Mossy? Mossy is a homeless man.

What else has Charlie Cooper been in? Cooper is, of course, best known for co-creating and starring in BBC Three sitcom This Country. He's also known for Steve Coogan film Greed, murder mystery See How They Run and Channel 4's Stath Lets Flats.

Mark Bonnar plays Raymond

Raymond looks sternly ahead of him while seated on a train, holding a newspaper
Mark Bonnar stars in Inside No. 9. BBC Studios/James Stack

Who is Raymond? Raymond is another passenger on the train.

What else has Mark Bonnar been in? Bonnar has recently concluded an acclaimed run on BBC Scotland drama Guilt. His other credits include Prime Video's The Rig, as well as BBC One dramas World on Fire, Murder is Easy and Line of Duty. Bonnar previously worked with Shearsmith and Pemberton on their cult series Psychoville.

Joel Fry plays Finn

Finn stands in a train carriage, holding a rucksack
Joel Fry stars in Inside No. 9. BBC Studios/James Stack

Who is Finn? Finn is another passenger on the train.

What else has Joel Fry been in? Fry is known for playing Hizdahr zo Loraq in epic fantasy drama Game of Thrones and Frenchie in the recently cancelled pirate comedy Our Flag Means Death. He rose to stardom in the comedy genre, playing key roles in Sky sitcom Trollied and ITV hit Plebs.

Inside No. 9 airs Tuesdays at 10pm on BBC Two. Catch up on iPlayer.

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Authors

David Craig
David CraigSenior Drama Writer

David Craig is the Senior Drama Writer for Radio Times, covering the latest and greatest scripted drama and comedy across television and streaming. Previously, he worked at Starburst Magazine, presented The Winter King Podcast for ITVX and studied Journalism at the University of Sheffield.

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