When Wilbur Force (Jack Nicholson) steps through a door to visit the dentist, he asks, "Is this the dentist's surgery?" but the audio is muted.
Mrs Shiva repeatedly buys flowers for her relatives' funerals. Her Jewish identity is apparent and she even mentions "kosher flowers", yet traditionally people do not send flowers to a Jewish funeral.
Frank enters Detective Fink's office, sits down and lights a cigarette. The cigarette remains in his mouth until a close-up, where it has vanished; when the camera cuts back to the wide shot, the cigarette has reappeared.
While Seymour is speaking with the prostitute, her scarf alternates between one shoulder and the other from shot to shot.
While Seymour is in the railway yard, the positioning of his hands on his head shifts back and forth according to the camera angle.
Mel Welles's character name is spelt as "Mushnik" in the end credits, but the sign outside his shop displays "Mushnick".
Discrepancies between a character's name as shown in the film and in the credits are classified as "Unacceptable Goofs" under IMDb guidelines.
Jackie Joseph's character name appears to be spelt incorrectly as "Audry" in the closing credits. On the sign outside Mushnick's shop promoting the new plant, the name is shown as "Audrey" Junior, the more commonly used spelling for that name.
Differences between a character's name as shown in the film and in the credits are regarded as "Unacceptable Goofs" under IMDb guidelines.
Exterior shots of Mushnick's Florist reveal that the premises are occupied by the Good News Rescue Mission.
When one of the police officers "trips" over Mushnik's leg in the closing chase, he never actually touches the leg and it is clear he simply throws himself to the ground.
