ON SCIENTOLOGY VS. PSYCHIATRY: "I don't keep counsel with others. If I know I'm right, I'm not going to ask anybody. I've made every decision for myself."

[...]

the father figure is no longer a nice guy. He is a killer whom his charges try desparately to escape from.

As Cruise puts it, he chose his character in Collateral because he was "interested in playing an antisocial personality in a way that is inviting but unrelenting."

[...]

If you really want to know, get What Is Scientology?, the book, and look at it, because that's what Scientology is. It's a very large body of knowledge with tools that are available. It's, ah...it really is the shit, man.