Continuity mistake: When the maid is out on the street calling a cab, the policeman shows up. The distance between them changes from close to farther away, between shots.
Continuity mistake: The first time Dave takes the liquor bottle out of his shirt, he unscrews the cap before taking a swallow. The second time, on the stage, he pulls a cork out with his teeth.
Continuity mistake: The postman walks into the tavern as the bell tolls. When he sits at the table with the others, everyone changed position at the cut. The bearded man had his hand on his glass, and now it's gone, and the priest's hand was not on the table, but then it is. (00:02:15)
Revealing mistake: Several pieces of furniture, including a large sofa, fall over before the suitcase bomb actually explodes.
Continuity mistake: Dick Powell puts his gun in his left trenchcoat pocket and then 2 minutes later takes the same gun out of his right pocket.