Eight-year-old Roger Court is in Venice expecting to reunite with his father, British diplomat Major Court (Trevor Howard), whom he hasn't seen in three years. Roger lives with his Aunt Rose since his mother abandoned him.
Roger Court
Roberta Gleukovitch
Dr. Vivaldi
Major Roger Court
Joe Hamstringer
British Consul in Venice
Commissioner
Chief Constable
Undetermined Role
Pescovitch
Luza
First Killer
Second Killer
Third Killer
Mrs. Harrington
Morgan
Ramondo
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