Characters played by Humphrey Bogart
Billy Dannreuther
Characters played by Jennifer Jones
Gwendolen Chelm
Characters played by Gina Lollobrigida
Maria Dannreuther
Characters played by Robert Morley
Peterson
Characters played by Peter Lorre
Julius O'Hara
Characters played by Edward Underdown
Harry Chelm
Characters played by Ivor Barnard
Maj. Jack Ross
Characters played by Marco Tulli
Ravello
Characters played by Bernard Lee
Insp. Jack Clayton
Characters played by Mario Perrone
Purser on SS Nyanga
Characters played by Giulio Donnini
Administrator
Characters played by Saro Urzì
Captain of SS Nyanga
Characters played by Juan de Landa
Hispano-Suiza Driver
Characters played by Aldo Silvani
Charles
Characters played by Dave Crowley
(uncredited)
Characters played by Julie Gibson
(uncredited)
Characters played by Alex Pochet
Hotel Manager
Characters played by Mimmo Poli
Barman
Characters played by Peter Sellers
Billy Dannreuther
Characters played by Manuel Serrano
Ahmed