Philip Baker Hall, the actor who plays Doctor Morrison, played Bookman, the Library Cop, in "Seinfeld (1989)," created by Larry David.
Lewis J. Stadlen plays Max Bialystok in the staged version of The Producers and Paul Mazursky plays Mel Brooks' assistant. Both Stadlen and Mazursky played card players in the high stakes poker game in The Sopranos (1999).