David Wohl (b. 1953) is a character actor in film and television who guest starred on Dinosaurs as the voice of Bob in the episode "Unmarried... With Children."
Wohl's film credits Revenge of the Nerds (as Dean Ulich), D.A.R.Y.L., Brewster's Millions (with Richard Pryor and John Candy), and Saving Private Ryan. Television work includes the TV remake of Alfred Hitchcock's Rear Window (starring Christopher Reeve) and guest spots on ALF, The X-Files, St. Elsewhere, and Law & Order. He also voiced Principal Wartz from the Nickelodeon TV Series, Hey Arnold!