Crew or equipment visible: Reflected in the car window as Quoyle drives away from Wavey's house.
Continuity: Agnis' head and hand change positions between shots while sitting in the large leather chair listening to Quoyle.
Continuity: Dennis Buggit's wedding ring disappears as he sits at the counter in the restaurant.
Anachronisms: When Quoyle first picks up Petal at the gas station in the early '90s, there is a much later model car in the parking lot behind Quoyle's car.
Continuity: The headless body apparently disappears from the water in the short time it takes Quoyle to swim to the cooler.
Revealing mistakes: When Quoyle and Wavey are flying the kites, the wind is blowing the wrong way for the kites to actually be aloft.
Continuity: When Quoyle and Wavey are eating their boxed seal flipper pies, the grease stains on the boxes change from shot to shot.
Continuity: When Jack Buggit first asks Quoyle aboard his boat, he's gutting fish. He throws the first fish in the tub of water, and it splashes on Quoyle. When he throws the second fish in the tub, it lands on several other fish (already in the tub).
Continuity: Quoyle orders a squid-burger when he meets Nutbeem in the diner and the two carry on a conversation. When Quoyle spots Buggit, the camera pulls back, and shows his place setting with the burger, although the waitress hadn't returned in the meantime.
Continuity: In the scene when Quoyle orders the same squid burger that Nutbeem has there is a shot of the two with a waitress in blue crossing the shot from right to left. The next shot is of Quoyle with the waitress behind him serving coffee. The next shot shows Quoyle and Nutbeem and the waitress crosses the shot from left to right. The next shot is of Quoyle once again, but the waitress is still behind him serving coffee.