Vincent Price as Oupa Decker

Diana Ivarson as Wilhemina Adelaide 'Willie' Decker

Robert Gunner as Roger 'Stretch' Hawkins

Bob Courtney as Dandy

Patrick Mynhardt as Gotz

Bill Brewer as Stoffel

John Whiteley as Marico

Sann de Lange as Bank Customer (uncredited)

Frank Douglas as Bank Manager (uncredited)

Pieter Hauptfleisch as Dirk (uncredited)

Hal Orlandini as Bartender (uncredited)

Gert Van den Bergh as Drunk (uncredited)

James White as Bank Teller (uncredited)