Other mistake: In the opening credits, Ted Bonnicken's surname is misspelt as "Bonnickson."
Continuity mistake: The lighter that burns Sylvester's whiskers wasn't there when he opened the drawer of the filing cabinet.
Continuity mistake: When Hans is speaking to Willie in the lift, Willie's tail keeps disappearing and re-appearing.
Continuity mistake: When we see Hans walking down the rope from the boat, he's carrying plain pink cloth. But when we see Hans the next time, the cloth now has white spots on it.
