When Jimmie is trying to explain to Daphne in the police station what's going on, she slaps him, then pins him against the wall with her right hand, with her left raised. In the next shot, her hands are switched.
Marco has a stain on his t-shirt when he's with Jimmie at the diner. When he hops into his car a few moments later, the stain is gone.
When Jimmie's grandfather gets out of his house with steaks in his hand, there is a small white box on table in front of Jimmie. In next shot it's on the other side of table.
When Jimmie breaks the balls in billiards room the violet ball ends next to edge. In next shot it's in middle of table.
When Jimmie, Marco and priest rush to heliport, registration number on limo changes between shots.
Anne returns home goes into the bathroom with her coat on and within 10 seconds comes out having changed into pyjamas and dressing gown.
As the bride mob is chasing Jimmie, the overwhelming majority of the brides are seen wearing white sneakers/tennis shoes. Either every bride anticipated running after Jimmie or the extras playing the brides were told to wear comfortable shoes fit for running.
When Jimmie is at his grandfather's funeral, he says "...he rose up and called the doctors scum suckers." But that is clearly not what his mouth says.
When the brides chase Jimmie down the streets of San Francisco you hear the sound of women running in high heels, but the brides are all wearing sneakers.
Annie is shown waiting for the Amtrak train in Mendocino. Amtrak does not service Mendocino.
Scenes depicting the San Francisco Train station were clearly shot at Union Station in Los Angeles.
Video-taped wills are not recognized as valid in California.