WORF (Michael Dorn)
in Star Trek: The Next Generation (1987-1994)

I'm sure it'd piss off Commander Riker, but this Klingon was the Enterprise's real tall, dark, and handsome...especially once he got rid of that beauty pageant hairdo and went with the bad-arse warrior braid. (That's right...warrior braid. All the cool warriors are wearing 'em.)