Visible crew/equipment: Right after Big Ern wins the tournament, he is rolling on the floor. Watch the left side of the floor near him, you can see a boom mic shadow.
Kingpin (1996)
1 visible crew/equipment mistake
Directed by: Peter Farrelly, Bobby Farrelly
Starring: Woody Harrelson, Bill Murray, Randy Quaid, Chris Elliott, Vanessa Angel, William Jordan
Revealing mistake: In the middle of the movie, Roy is flossing his teeth by himself. In the mirror as well as when he turns around, you can see his hand holding the hook, if you look closely. (00:58:33)
Roy: Hey, Herbie! How's life?
Scranton Wino: Taking forever.
Trivia: In the opening scene where at the bottom of the screen it says Ocelot, Iowa 1969. That gas station scene was actually shot in Mars, Pennsylvania.