Continuity mistake: Sheriff Buford T. Justice gets out of his car and leaves the door open. A few moments later, we see a different shot of the car with the door closed. Then a truck drives by and tears the car door off which is open again.
Continuity mistake: When Bernard and Bianca arrive at the airport, and wait for Orville, Bianca removes her coat. Yet when we see her through the window, her coat has reappeared and it then vanishes again. (00:25:15)
Continuity mistake: The tyres on the bus don't blow until the firing has stopped and the bus comes to a stop.
Continuity mistake: When Evel Knievel goes to the insane asylum to break his buddy Will out of the institution, he crashes through the front door with the Stratocycle, breaking off the airplane-style wings on each side of the bike in the doorway. In the next shot, as he rides down the hall, the wings are still intact.
Continuity mistake: During a conversation between Charles Bronson, Lee Remick and the bar owner, one of the cutaway shots of Lee Remick is reversed. The part in her hair changes sides and she is looking in the opposite direction.
Continuity mistake: Inès the Housekeeper is on the boardwalk looking at the ship and the various passengers that disembark. She waves at Mrs. Susan House when she sees her, and walks up to her, meeting there amongst the passengers who just got off the ship...the same dudes (a man with a striped T-shirt, a guy with an open shirt with white pants, one denim-clad guy with a bag) who were lazing around not too far from her when she was on the promenade. (00:04:30)
Continuity mistake: After the Abebo murders, tempers run high at the meeting of the clan. The sinister Sakoda accuses the one raising objections to be a wimp, and the guy slams his fists on the table. The president of the meeting says "stop it"; Sonny Chiba is leaning forward with both hands, but in the next shot he has one hand in front and one in the back. (00:20:00)
Continuity mistake: When Regan and Bianca first jump on the bus to escape the hitmen you can see through the windows that there are only six people on the lower deck, but when the scene changes to inside the bus all the seats are full. (01:00:24)
Continuity mistake: When Vivian crashes the VW bug into a tree in the park, it shows front hood damage on impact. Moments later, after some exposition, she backs out, and drives away with the hood intact.