When the bank clerk tries to identify the man who handed in the suitcase with the stolen money, mugshots depicting writer Henning Bahs and cinematographer Jørgen Skov are visible.
The football players in the opening scene are all named after crew members.
This is Ove Verner Hansen's first appearance in the films, not as his iconic role "Bøffen", but an uncredited role as the owner of the grocery store where Benny and Kjeld makes an unsuccessful burglary.
Both Mortensen and the Police Chief are played by different actors than in The Olsen Gang (1968) and The Olsen Gang in a Fix (1969). Actor Poul Reichhardt, who played the Police Chief in the first two films, appears as the "Jack" (Knægten) in this film. In The Olsen Gang in Jutland (1971), neither of the two characters was used.