Oliver Reed as Brooks

Michael J. Pollard as Packy

Wolfgang Preiss as Col. von Haller

Karin Baal as Vronia

Helmuth Lohner as Willi

Peter Carsten as Kurt

Ralf Wolter as Dr. Mendel

Jürgen Draeger as Sami

Ernst Fritz Fürbringer as Kellerman

John Alderton as Bernard

Maria Brockerhoff as Anna

Til Kiwe as Von Haller's Sergeant

Ernst Fritz Fürbringer as Elephant Keeper Kellermann

Erik Jelde as Zoo Director Stern

Fred Haltiner as Josef

John Porter-Davison as Geordie

Terence Sewards as Twilight

James Donald as Padre

Robert Rietti as Elephant Keeper Kellermann (voice)

Harald Dietl as German Soldier at Brooks' Arrest (uncredited)

Karl-Heinz Thomas as Offizier (uncredited)

Nikki Van der Zyl as Vronia (voice) (uncredited)