Jon Hayman is an American actor, writer and Seinfeld crew member. Most notably, he played Donald Sanger AKA The Bubble Boy; he also had the penultimate lines in “The Finale”, where he played a prison guard: “All right, Seinfeld, that’s it. Let’s go.”
Jon appeared in "The Bubble Boy", "The Pilot", and "The Finale".
Episodes written[]
Season 4[]
- "The Movie" (with Steve Skrovan and Bill Masters)