I had to go see who's going to play Mark. It's some person by the name of Cheyenne Jackson. To be honest, that sounds more like a sassy homegirl from the 'hood kind of name - and there's no IMDB reference, so I can't say what s/he's going to look like.
I'm curious to see if it's more or less ridiculous than the TV movie about Flight 93 from the summer of 2002. In that one, Mark looked and sounded like one of The Warriors. OK, not really: he just looked and sounded like an Italian-American from
Update: It took Alonso about a minute to tell me who this guy is, and me a minute longer to find a picture:
Heh. That's amusing. As long as he can do a Northern California accent, he's damned close in a Hollywood kinda way.