He is better known, however, for playing Doug Neidermeyer in National Lampoon's Animal House (which featured fellow Voyager guest star Bruce McGill) and as "the Master" on Buffy the Vampire Slayer. He also played the abusive father in the music video for Twisted Sister's Top-40 hit We're Not Gonna Take It. He appeared in two episodes of Seinfeld with fellow Voyager guest star Jason Alexander, ironically playing a character nicknamed The Maestro, the Italian word for Master, like his Buffy character. Soon after his Voyager appearance, he would appear in three episodes of JAG as a naval officer named Captain Pike (who was given his position after Terry O'Quinn's recurring character was promoted to Admiral).