Stars (in credits order)
Kenneth More
Captain Peter Niles
Ralph Michael
Captain Adam Brant
Mark Dignam
Brigadier-General Ezra Mannon
Basil Langton
First Lieutenant Orin Mannon
Joy Shelton
Hazel Niles
Charles Farrell
Seth Beckwith
Marjorie Mars
Lavinia Mannon
Andrew Osborn
MacDonald Parke
American voice
John Stevens
Charles Rolfe
Mary Newcomb
Christine Mannon
Arthur Hill
Abner Small
Willoughby Gray
Ira Mackel
Tucker McGuire
Edward Byrne
Chantyman
Aletha Orr