Vic Romano is...

...the teacher (Teacher Kitano/Kitano Sensei) in "Battle Royale" (2000). I thought the Teacher looked familiar, and when I looked him up, turns out the actor who played him is Takeshi (of "Takeshi's Castle" fame). I just learned this today, and it kinda blew my mind.

"You know, Burke, I don't know which species is worse."