Characters played by Edward G. Robinson
George Constantin
Characters played by Peggy Cummins
Georgette Constantin
Characters played by Richard Greene
Larry
Characters played by Nora Swinburne
Ava Constantin
Characters played by Walter Rilla
Andreas
Characters played by Finlay Currie
Sir Thomas McTavish
Characters played by James Robertson Justice
Prof. Keval
Characters played by Ronald Adam
Col. Fogarty
Characters played by David Hutcheson
Annix
Characters played by Gregory Ratoff
Marcos
Characters played by Peter Illing
Sultan
Characters played by Harry Lane
Barboza
Characters played by Don Nehan
Polato
Characters played by Roberto Villa
Prince Alzar
Characters played by Ronald Ward
Dr. Schindler
Characters played by Robert Rietty
Prince