A POW in World War II is put to work in a Munich zoo, looking after an Asian elephant. The zoo is bombed by the Americans and the director of the zoo decides it is not safe for his Asian elephant Lucy to remain there. So he sends Brooks to safety with Lucy. They escape and go on the run in order to get to Switzerland.
| Actor | Role |
|---|---|
 Oliver ReedBrooks | Brooks |
 Michael J. PollardPacky | Packy |
 Wolfgang PreissCol. von Haller | Col. von Haller |
 Karin BaalVronia | Vronia |
 Helmuth LohnerWilli | Willi |
 Peter CarstenKurt | Kurt |
 Ralf WolterDr. Mendel | Dr. Mendel |
| JJürgen DraegerSami | Sami |
 Ernst Fritz FürbringerKellerman | Kellerman |
 John AldertonBernard | Bernard |
 Maria BrockerhoffAnna | Anna |
 Til KiweVon Haller's Sergeant | Von Haller's Sergeant |
| Ernst Fritz FürbringerElephant Keeper Kellermann | Elephant Keeper Kellermann |
| EErik JeldeZoo Director Stern | Zoo Director Stern |
| FFred HaltinerJosef | Josef |
| JJohn Porter-DavisonGeordie | Geordie |
| TTerence SewardsTwilight | Twilight |
 James DonaldPadre | Padre |
 Robert RiettiElephant Keeper Kellermann (voice) | Elephant Keeper Kellermann (voice) |
 Harald DietlGerman Soldier at Brooks' Arrest (uncredited) | German Soldier at Brooks' Arrest (uncredited) |
| KKarl-Heinz ThomasOffizier (uncredited) | Offizier (uncredited) |
 Nikki Van der ZylVronia (voice) (uncredited) | Vronia (voice) (uncredited) |