He told the programme that he felt sick reading how his character Nathan would be grooming Bethany Platt. He said that he has to read the scripts through for the first time on his own, somewhere quiet.
Chris said: "He's just doing horrible things and he's loving the fact that he's in control and he's getting money and he's the big man in the room. It's absolutely about control. Right from the word go for him."
The NSPCC has been working with Coronation Street producers on the storyline.
You can watch and listen to the short clip here.
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