Horst Tappert

as Charles Barton

Fred Williams

as Inspector Ruppert Redford

Barbara Rütting

as Celia

Wolfgang Kieling

as Ferencz

Siegfried Schürenberg

as Dr. Bladmore

Elisa Montés

as Helen Bennett

Eva Garden

as Linda

Luis Morris

as Andy Pickwick

Mara Laso

as Lizi

Rainer Basedow

as McDowell

Ángel Menéndez

as Scotland Yard Chef

Dan van Husen

as Kronstel

Andrea Montchal

as Patakes

Jesús Franco

as Gonzales

Guillermo Méndez

Beni Cardoso

as Diana

Karl Heinz Mannchen

as Guest in Restaurant (uncredited)

Emilio Martínez Lázaro

as (Uncredited)

Moisés Augusto Rocha

as Roger (uncredited)