John Hodiak
— Capt. George P. Slocum
Maureen O'Sullivan
— Nancy Slocum
John Derek
— Lt. Pete Barker
Audrey Totter
— Kate
Harvey Lembeck
— Sgt. Maxie Steiner
Richard Erdman
— Pvt. Swenson
Todd Karns
— Jerry Barker
William Chun
— Clancy
Dabbs Greer
— Pilot
Sumner Williams
— Jeep Driver Sergeant (uncredited)
Norma Randall
— Gorgeous Blonde (uncredited)
Robert Stevenson
— Medic (uncredited)