Visible crew/equipment: In the very first scene when the camera pans in to the butcher shop, you can clearly see the shadow of the cameraman on the lift.
Continuity mistake: At the Stardust Ballroom, listen to the first song the dance band is playing on the soundtrack. It skips measures and at one point is hastily spliced to begin again so as to continue because more time is needed in the scene. The MGM DVD copy is incomplete because it is missing the scene in which Clara speaks with her parents after her evening with Marty. The scene is present on the CBS/Fox VHS.