Frank Wolff
Dr. Robert Matthews
Nieves Navarro
Nicole Rochard
Simón Andreu
Michel Aumont
Carlo Gentili
Inspector Baxter
George Rigaud
Captain Lenny
José Manuel Martín
Smith
Fabrizio Moresco
Bergson
Luciano Rossi
Hallory
Claudie Lange
Vanessa Matthews
Osvaldo Genazzani
Jack
Manuel Muñiz
Philip
Rachela Pamenti
Peggy
Daniela Giordano
Ragazza nel night (uncredited)
Corrado Gaipa
Captain Lenny (voice) (dub: Italian version) (uncredited)
Renato Turi
Inspector Baxter (voice) (dub: Italian version) (uncrecited)