• Silent Witness: Who is Nikki Alexander's new love interest? Actor Michael Landes on dashing American Matt Garcia

What else has Michael Landes been in? The actor starred as Jimmy Olsen in Lois & Clark: The New Adventures of Superman. His other credits include Miranda, Final Destination 2, Hooten & the Lady, Love Soup, and Upstairs Downstairs.

Samantha Bond plays DS Quicke

Who is DS Quicke? The top cop assigned to the case in 'To Brighton, To Brighton'. She used to be a maths teacher, but has made a career switch and retrained as a detective.

What else has Samantha Bond been in? Most famously, the appropriately-named actress starred as Miss Moneypenny in four James Bond movies, appearing opposite Pierce Brosnan. More recently she played Robert's wealthy widowed sister Lady Rosamund Painswick in Downton Abbey, Angela in Outnumbered, and Frances Barden in Home Fires.

Sebastian Armesto plays DI Taramelli

Who is DI Taramelli? DI Taramelli has worked his way up from bobby-on-the-beat. Enthusiastic and friendly, he unfortunately has a weak stomach when it comes to blood and gore.

What else has Sebastian Armesto been in? The actor has made key appearances in TV shows including Broadchurch (as taxi driver Clive Lucas), Poldark (as George Warleggan's attorney Tankard) and Close to the Enemy (as Alex Lombard)

Lisa Dwyer Hogg plays Bex

Who is Bex? A Brighton tattoo artist. She is a friend and colleague of the elusive "MK".

What else has Lisa Dwyer Hogg been in? You may have seen the Irish actress as Marion Kay in TV series The Fall. Her other screen credits include Acceptable Risk, Waking the Dead, The Bill, The Royal, and Across the Universe.

Max Cavenham plays Stephen Fraser

Who is Stephen Fraser? We meet Stephen in 'To Brighton, To Brighton'. He lets flats in the street where dismembered body parts were dumped in bins.

What else has Max Cavenham been in? Credits include Desecration, Passage of my Youth, and A Hitman in London.

Haruka Abe plays Akito Emon

Who is Akito Emon? Akito is a Japanese student who lives in Brighton.

What else has Haruka Abe been in? The Japanese-English actress starred in the music video for Clean Bandit's song Rather Be, which now has over 516 million views on YouTube.

Her acting credits include Stath Lets Flats, Kiss Me First, Ideal, and Zapped.

Samuel Edward-Cook plays Mick

Who is Mick? A workman with a suspiciously blood-covered van. His partner (played by Carlyss Peer) has just given birth to their first child – a daughter – but the family is struggling for money.

What else has Samuel Edward-Cook been in? The actor played DC Steve Beckton in ITV thriller Innocent. He was Jason in Emmerdale and Dougie in Brief Encounters, and Danny Whizz-bang in Peaky Blinders.

Fisayo Akinade plays Andrew

Who is Andrew? Andrew works for Stephen, renting out rooms in a house on Church Street.

What else has Fisayo Akinade been in? Aside from his work on the stage, Fisayo Akinade is also known for his roles as Ziggy in Ordinary Lies and Dean Monroe in both Cucumber and Banana.

Daniel Weyman plays Max Thorndyke

Who is Max? Clarissa's husband of many years, a digital forensics expert who sometimes works with the Lyell Centre.

What else has Daniel Weyman been in? The actor starred as Adam Wainwright in Foyle's War, and played Arthur Havisham in Great Expectations.

Carlyss Peer plays Ally

Who is Ally? New mum Ally just wants a normal life with her partner Mick, despite his history of drug use and partying. But she is concerned about whether he can step up as a father to their baby girl.

What else has Carlyss Peer been in? The actress has appeared in TV shows including Brief Encounters, Midsomer Murders and Grantchester, as well as playing Bonnie Wallis in Holby City. On stage, she starred in the musical Groundhog Day.

Leona Walker plays Carola

Who is Carola? A woman from Brighton who is now in hospital with sepsis.

What else has Leona Walker been in? Screen credits include small roles in The Night Watch, Trollied, Five Daughters and Dirk Gently.