Characters played by Brett Halsey
Richard Milford
Characters played by Marilù Tolo
Helen Becker
Characters played by Fabrizio Moroni
Harry
Characters played by Alberto Dalbés
Albert Stone
Characters played by Romina Power
Fanny
Characters played by Óscar Pellicer
(as Oscar Pellicier)
Characters played by Gérard Tichy
Inspector
Characters played by Miguel de la Riva
Loco
Characters played by James Fontaine
[no data]
Characters played by Lili Muráti
Professor Stone's Widow
Characters played by Manuel de Blas
Boris Molders
Characters played by David de Keyser
Albert Stone
Characters played by Francisco Sanz
Beatnik
Characters played by Dan van Husen
Beatnik