Los Angeles - Tom Hanks finds film villains boring.
The Big actor admitted he has no burning desire to play a bad guy because the roles are always simple and the audience never gets to know them.
He explained: "The problem with villains in motion pictures is they are two-dimensional.
"You have a line of sensibility or theme that is not much deeper than, 'Before I kill you, Mr Bond, I'd like to give you a tour of my installation.' I mean, a bad guy? Who am I going to play, Loki?"
However, the 59-year-old star - who has won Oscars for his roles in Philadelphia and Forrest Gump - thinks he would make an amazing villain if he did decide to take such a part.
He said: "And, by the way, I would kill those roles if they wanted me to do it."
And he added his decision to refuse a bad guy role is based on the fact he wouldn't be able to dig deep into the character.
He told The Sunday Times newspaper: "But I would need some other things - I mean, who would I get to play? I don't get to examine anything."