Richard O'Sullivan
Roger Court
阿莉达·瓦莉
Roberta Gleukovitch
Eduardo Ciannelli
Dr. Vivaldi
特瑞沃·霍华德
Major Roger Court
理查德·巴塞哈特
Joe Hamstringer
Stephen Murray
British Consul in Venice
Arnoldo Foà
Commissioner
Guido Celano
Chief Constable
Helen Goss
Undetermined Role
Giorgio Costantini
Pescovitch
Angelo Cecchelin
Luza
Nino Vechina
First Killer
Armando Papette
Second Killer
Giovanni Karuz
Third Killer
Joan Butterfield
Mrs. Harrington
Alessandro Paulon
Morgan
Remington Olmsted
Ramondo
Remington Olmsted
Ramondo
