Mark Metcalf

Mark Metcalf played the Hirogen Medic in the Star Trek: Voyager episode.

He is better known, however, for playing Doug Neidermeyer in ' (which featured fellow Voyager guest star Bruce McGill) and as "the Master" on '. 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).