The Cleaner star Greg Davies hints at series 2 plans: "It's limitless"

And speaking to RadioTimes.com and other press at a Q&A ahead of the series launch, Davies teased that the potential for future episodes was "limitless".

"I think the scope for this show, of taking on difficult subjects, is one of the things that really excites me about it," he said.

"And by putting in a straightforward, compassionate person as the connecting individual, I think it's limitless where we could go with it and the things we could discuss, things that we could put his innocent eyes on.

"I mean, you know, I don't want to tempt fate, but I would love to continue with it," he added. "And Mizzi [Meyer, writer of the original German version] made it very clear that she'd be happy for us to, you know, much like other shows have done, to go off on our own trajectory."

Davies continued that the first series already hints at Wicky's past, and he said he would love to explore the character's history even more in future instalments while also "exposing him to increasingly challenging things."

"I'm very excited by him," he said. "And I hope people will be excited to see where he's going to end up each week."

The Cleaner begins on BBC One on Friday 10th September at 9.30pm. If you’re looking for something else to watch, take a look at the rest of our Comedy coverage or check out our TV Guide.