Romina Power

Fanny

Acting

Brett Halsey

Richard

Acting

Marilù Tolo

Helen

Acting

Fabrizio Moroni

Harry

Acting

Alberto Dalbés

Albert Stone

Acting

Óscar Pellicer

Acting

Gérard Tichy

Inspector

Acting

Miguel de la Riva

Loco

Acting

James Fontaine

Acting

Manuel de Blas

Boris Molders

Acting

Dan van Husen

Beatnik

Acting

Lili Muráti

Professor Stone's Widow

Acting