Linda Darnell
— Lieutenant Elizabeth Smythe
Tab Hunter
— Marine Corporal Michael J. Dugan
Donald Gray
— William Peck
John Laurie
— Grimshaw
Sheila Chong
— Tukua
Russell Waters
— Dr. Snyder
MacDonald Parke
— Ship's Captain
Michael Newell
— Eddie
Lloyd Lamble
— Officer of the Watch
Peter Butterworth
— Wounded Marine
Harold Ayer
— Marine Sergeant
Diana Decker
— Mike
Hilda Fenemore
— Ollie
Brenda Hogan
— Jane
Peggy Hassard
— Maggie
Joan Benham
— Nurse
Katharine Blake
— Nurse