Continuity mistake: After Jack strangles the police officer there are 3 guys by the door - he knocks down one of the them but in the next shot there is just one man left.
The Invisible Man (1933)
1 continuity mistake
Directed by: James Whale
Starring: Claude Rains, Henry Travers, Gloria Stuart, William Harrigan
Revealing mistake: When Jack steals the bike he's supposedly riding it but you can see a rail on the ground.
The Invisible Man: We'll begin with a reign of terror, a few murders here and there, murders of great men, murders of little men - well, just to show we make no distinction. I might even wreck a train or two... just these fingers around a signalman's throat, that's all.
Trivia: Claude Rains' real face is only visible for about 20 seconds in the last scene of the film.