Revealing mistake: When Frankie punches Barakov, pushing him through the window, not only can you see the wires lifting him, but it is obvious that the inside of the building is a studio set. The wall above the window gets torn - the wall is obviously made of paper and the scenery outside is a painted backdrop. But when the shot changes to outside the building only the window is broken and the wall is intact.
Who Done It? (1956)
1 revealing mistake - chronological order
Directed by: Basil Dearden
Starring: David Kossoff, Benny Hill, Belinda Lee, Garry Marsh
Genres: Comedy
Continuity mistake: During the car chase, when the beer tanker turns a sharp left corner there is an MG parked on the far side of the road. It has gone when the first of the chasing police cars take the same corner a few seconds later.