Other mistake: Swan visibly misses the Phantom's finger when he stabs it to draw blood for his contract.
Phantom of the Paradise (1974)
1 other mistake - chronological order
Directed by: Brian De Palma
Starring: Gerrit Graham, Jessica Harper, Paul Williams, William Finley
Continuity mistake: When evil Swan hands the contract to the Swan who's about to kill himself, Swan grabs the contract out of E.S hands, yet in the next shot, E.S is still holding it.
More quotes from Phantom of the Paradise
Trivia: Sissy Spacek was the film's set dresser.