Continuity mistake: Diamond parks just inches behind an old car and then enters the Chinese restaurant. When he comes out again, the older car is in the same place, but his Plymouth has somehow moved itself back several feet.
Continuity mistake: During the wedding scene at the end, Diamond's hair is falling over his forehead in half the shots and combed straight back the rest of the time.
Continuity mistake: After the wedding, the new bride kisses Diamond good-bye. She's standing just inches from him, but when the camera angle reverses, she has instantly jumped to a spot several feet away.