First Saw Him...
...as Isaacs in Resident Evil: Apocalypse. He left a definite impression on me, along with Thomas Kretschmann, and I've been avid fans of both men ever since. The movie Glen appeared in wasn't much to write home about, but I was genuinely impressed by him despite such a small part, and ever since then I've been on the lookout for him.
I mean, really, how many times will you look under Jabba's manboobs?