Romina Power

Fanny

Brett Halsey

Richard

Marilù Tolo

Helen

Fabrizio Moroni

Harry

Alberto Dalbés

Albert Stone

Óscar Pellicer

Gérard Tichy

Inspector

Miguel de la Riva

Loco

James Fontaine

Manuel de Blas

Boris Molders

Dan van Husen

Beatnik

Lili Muráti

Professor Stone's Widow

Julio Buchs