Gunter Berger
— Inspector Higgins
Mariella Ahrens
— Barbara Lane
Eddi Arent
— Sir John
Horst Bollmann
— Eddie Shapiro
Christel Peters
— Jury chairman
Christian Grashof
— Dr. Marford
Rosalind Baffoe
— Ann Pattison
Pello
— Clown
Victor Schefé
— Paul Norris
Bojana Golenac
— Jacqueline Griffith
Michael Gitter
— Baxter
Ruth-Claire Lederle
— Head Nurse
Tyron Ricketts
— Homer Jackson
Uwe Zerbe
— Dearborn
Willy Egger
— Circus manager
Klaus Kinski
— (archive footage)