The first of 14 Olsen Gang films presents us with Egon Olsen, head of the gang, and his friends Benny and Kjeld, who want to become the best known gang in Denmark and eventually Europe by stealing a famous Bavarian work of art currently displayed in a Copenhagen museum. Although Egon's plan works out fine, there is only trouble ahead for the little gang.
| Editing | Ole Steen Nielsen | Editor |
| Directing | Erik Balling | Director |
| Camera | Jeppe Jeppesen | Director of Photography |
| Writing | Erik Balling | Screenplay |
| Sound | Bent Fabricius-Bjerre | Original Music Composer |
| Camera | Claus Loof | Director of Photography |
| Production | Bo Christensen | Producer |
| Camera | Gerhard Pedersen | Still Photographer |
| Costume & Make-Up | Ruth Mahler | Makeup Artist |
| Production | Bo Christensen | Production Manager |
| Art | John Wexøe | Painter |
| Camera | Peter Klitgaard | Assistant Camera |
| Costume & Make-Up | Lotte Dandanell | Costume Design |
| Directing | Sten Hasager | Assistant Director |
| Art | Helge Hansen | Props |
| Art | Bo Christensen | Location Scout |
| Art | Henning Bahs | Production Design |
| Sound | Andreas Møller | Sound Assistant |
| Writing | Henning Bahs | Writer |
| Sound | Hans W. Sørensen | Sound |
| Art | Magnus Magnusson | Props |
