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 as

Beni Cardoso as Diana

Karl Heinz Mannchen as Guest in Restaurant (uncredited)

Emilio Martínez Lázaro as

Moisés Augusto Rocha as Roger (uncredited)