In a couple of weeks, though, temptation becomes too much for killer Warren as he and Sasha embark on an ill-fated relationship. What would Calvin say?
Click here to see the main part of the interview, but read on if you want to hear more from Nathalie on Spencer, Sasha's drug plot and a potential return for Fletch...
You have a great on-screen relationship with Spencer - what's it been like working with Darren Langford, who plays him?
"Brilliant. I love him to bits. He's so much fun and a lovely guy. He's really captured the character of Spencer amazingly in that he's not made out to be child-like. And even though Spencer has the mental age of a child, he still comes across like a 24-year-old guy."
Were you proud to have taken part in such a hard-hitting storyline as Sasha's recent drug addiction?
"Yeah, I really am. The whole heroin issue is still quite a taboo subject. The number of people that are on drugs is a lot greater than I think everyone knows. The number of young kids on heroin is shocking but there's not much about the dangers of the drug in the media. So yeah, I'm really pleased with the storyline. It just showed that it can happen to anyone."
Do you think Fletch will ever return?
"I don't know. I'd like him to because Sam [Darbyshire] is one of my buddies! It'd be interesting if he did return to find out what's happened to him. Although when he left, he didn't have anyone - he even mugged Sasha when he left!"
How long do you see yourself staying with Hollyoaks?
"I'm one of those people who'll only stay in a job for as long as it challenges me for. I don't see the point in staying in a job if you're not challenged or you're unhappy with it. I'm still facing new challenges every day and I'm really enjoying being here. Obviously there's a big, wide world out there and I want to see all of it, so there's going to come a time where I'm going to venture off, but when that will be, I don't know."
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