I had a speech all ready about what a huge fan I was but I managed to restrain myself... although I think he mi ight have tho ought I wa as a little obsessedo

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goes onn fire, Tom is the only survivor.s

But it sooon becomes apparent that Kate and the kidsk weren’t killed in thet fire and the villagers realise somethinng unspeakable has happeened, as suspicion falls on Toom for their deaths.

The Goood Fight star Cush Jummbo co-stars as Jess, Katee’s friend and the wife of policeman Steve (Mattheww Mcnulty), who is hellbent on searching for the trruth.

Daisyy says similarities can be madem between Grantchhester and Deadwwater Fell.

“Althhough they’re complletely different shows, they cover similar themes, beyond the crimes and solving them,” she said.

“I’m interested in crime not just as a shocking act but as a psychological study. So, in Grantchester and in Deadwater Fell, we’re looking behind the tragedies to get to the truth, what causes these events, the real people involved and the impact upon them.”

Daisy didn’t have anyone in mind for the roles, but feels they struck gold with the former Doctor Who. “The moment we got David it was clear it was always his role. He brings so much to the part and the series as a whole,” she said.

“But like with most dramas, I wrote it a year it’s a city I grew up around and has always meant a great deal to me.

“Any excuse to return to Scotland, I’m always happy to embrace.

“To be filming with a fantastic Scottish crew and a lot of local actors, too, was one of the great joys of this job for me.”

Lorn plays Taylor, a rookie cop. “I’m a young police officer just starting out on the scene,” he explained.

“Suddenly this horrific thing happens that he doesn’t know how to deal with, so it’s just about supporting his much more experienced, older partner.

“Usually I play really tortured characters, but here I was the straightlaced, happy-go-lucky officer, so it was a welcome change.

“A bit of the pressure was off and I left the big emotional scenes to the other actors.”

Of Beats, Lorn added: “Film is where my passion lies and for my first movie to be something I care about and for it to be received the way it was, I couldn’t have asked for a better start.” Deadwater Fell, Channel 4, Friday 9pm

– Actor Lorn Macdonald