The 27-year-old actor returned to the soap earlier this year after six years away from Albert Square and his character Dean, has developed an unhealthy obsession with Linda Carter (Kellie Bright) and is set to rape her.
“My initial response was that I didn’t want to do it,” Matt admitted.
“I was pretty scared because it’s challenging and some of the most intense work I’ve ever done.
“But it’s an important story to tell, and I’m glad to have the opportunity to do so.”
And on why Dean rapes Linda, Matt said: “He has genuine feelings and is starting to fall in love with Linda.
“But I think it’s the Carter family unit that he’s actually in awe of, more than the woman herself.
“Dean sees Mick [Danny Dyer] in The Vic with a wife and kids who love him, and Dean wants some of that happiness for himself.”
Of course, Dean doesn’t know – yet – that Mick is his brother…
EastEnders continues on BBC1, Monday, September 8, 8.00pm.