John Shea (Lex Luthor from Lois and Clark) - possibility the nicest actor I've met, intelligent, great storyteller and he's very, very funny.
I used to quite fancy him in Lois and Clark. He was a very smooth Lex Luthor and it worker well for that show. Glad to hear he is nice.
I've heard otherwise about other members of that cast, namely, Teri Hatcher.