Egon escapes from the psychiatric ward, where he has been incarcerated since the gang's last coup. Keld and Benny pick him up, and when Egon, as always, is planning the big heist, the Olsen Gang is once again on the move.

• Nordisk Film Denmark
• Ove Sprogøe
• Morten Grunwald
• Poul Bundgaard
• Bjørn Watt-Boolsen
• Henrik Koefoed
• Axel Strøbye
• Ole Ernst
• Grethe Sønck