Revealing mistake: You can see the stunt man playing Joe in the Creature's tank move when he's supposed to be dead.
Revealing mistake: Air can be seen coming out of the creature's head at one point in one of the tank scenes.
Revenge of the Creature (1955)
2 revealing mistakes - chronological order
Directed by: Jack Arnold
Starring: John Agar, Lori Nelson, John Bromfield, Nestor Paiva
Revealing mistake: You can see the stunt man playing Joe in the Creature's tank move when he's supposed to be dead.
Trivia: Clint Eastwood has a small role as a lab technician experimenting with mice.