Continuity mistake: When Dana Andrews and Jeane Craine are on the roller coaster, as it goes down the first dip, she stand up and he yells at her to sit down, but his mouth never moves. Also, the positions of the riders change from scene to scene.
Character mistake: Laurel & Hardy's testimony sent Muldoon to prison. He was freed when the real criminal confessed. Muldoon vowed revenge. Five years later at a bullfight, Laurel is posing as a Spanish bullfighter, Don Sebastian. Muldoon recognizes him and points to him and mistakenly shouts, "That's Hardy - -and the other one is Laurel."