Scott Walters
Dana Andrews
Marian Taylor
Jeanne Crain
Pan American Girl
Delphi Lawrence
Junior Secretary
Mary Mackenzie
Irish Landlady
Bee Duffell
Waiter
Alec Finter
Wireless Operator
Patrick Parnell
Clerk
John Salew
Jim
Walter Gotell
Redhead (unconfirmed, uncredited)
Simone Silva
Mrs. Henderson
Mary Merrall
Skipper
Charles Carson
Perry Henderson / Arthur Henderson
David Farrar
Smith, Hotel Clerk
Bill Fraser
Servant
Lionel Ngakane
Steward
Robert Sansom
Supt. Roberts
Patrick Barr
Capt. Malburn
George Coulouris
Martell
Charles Goldner
Pitt
Wilfrid Hyde-White
Lady on the Niagara
Heather Thatcher
Vincent
Michael Mataka
Pan American Airways Clerk
Paul Carpenter
Director
George Marshall
Director of Photography
Erwin Hillier
Third Assistant Director
Jeremy Summers
Writer
Samuel Marx
T. J. Morrison
Producer
Marcel Hellman
Editor
Edward B. Jarvis
Art Direction
Terence Verity
Original Music Composer
Mischa Spoliansky
Story
S.K. Kennedy
Script Supervisor
Thelma Orr
Music Director
Louis Levy
Camera Operator
Norman Warwick
Still Photographer
George Higgins
Hairstylist
Jean Bear
Makeup Artist
Nell Taylor
Assistant Art Director
Peter Glazier
Recording Supervision
Harold V. King
Production Manager
G.R. Mitchell
Assistant Director
Roger Good
Tony Kelly
Sound Recordist
Les Hammond