Cast: Kerwin Matthews (Cliff de la Roche, aka 'The Viscount'), Silvia Sorrente (Lily Simone), Jean Yanne ('Billette'), Fernando Rey (Marco de Mognie), Franco Fabrizi (Ramon), Maria Latour (Tania), Alain Saury (Vincent), Armand Mestral (Claude, the Chief Inspector), Luis Dávila (Steven Heller), Alvaro de Luna (Baroni henchman), Pierre Massimi (young killer), Christian Kerville (Paul), Claude Le Lorrain, Olga [Rosa] Bergamonti, J. [Jose Manuel] Martin, Yvette Lebon (Claudia), and Folco Lulli (Rico Baroni)
Uncredited: Maria Barba, Patrizia del Frate
IMDB credits: Gustavo Re, Patrizia Del Frate, Emilio Rodríguez (the bank director)

Kerwin Matthews (Cliff)	Silvia Sorrente (Lily)
Fernando Rey (Marco)	Folco Lulli (Baroni)
Jean Yanne (Billet)	Luis Davila (Steve Heller)
Alain Saury (Vincent) [right]	Alvaro de la Luna (Baroni henchman)
Yvette Lebon (Claudia)	Armand Mestral (Claude, an Inspector)
Manuel Appears mainly in scenes with F Rey	Marco henchman (Maybe Fabrizi?)
Marco henchman 2 Appears mainly in scenes with F Rey	Marco henchman 3 Appears mainly in scenes with F Rey
Marco henchman 4	Marco henchman (maybe Manuel Martin)
Baroni henchman Appears in scenes with F Lulli	Baroni henchman 2 Appears in scenes with F Lulli
Bank manager Appears in scenes with Matthews and nobody else. Gustavo Re? Emilio Rodriguez?	Cliff's boss Appears in scenes with his secretary and nobody else.
Bank guard 2	Bank guard
Cliff girlfriend	Hotel assistant
Insurance agency head's secretary	Ex Cliff girlfriend in Crazy Horse Saloon