Check out this interview with Don Gibb, an actor known for many roles. He was Ogre in Revenge of the Nerds… but also was in Bloodsport, U.S. Marshals, Hancock and many other movies. Plus with appearances on lots of TV shows like Night Court, Step by Step, Early Edition and The X-Files! Not to mention his voice work on various video games!
Curtis Armstrong was out for some revenge as well and makes a brief and disconcerting appearance.