From a Christian perspective, is it wrong to have a crush on a married Christian actor and...?

Admiring someone is one thing, lusting after someone is another. The Bible says that if we lust after someone we have committed adultery with them in our heart even if there was no physical contact. I guess you should ask yourself what is this all about. Are you compensating for real life? You need to go out and find your "kirk Cameron" for your life to call your own. Take care =)