John Payne
— Major Paul Peterson
Karen Steele
— Carol Peterson
Paul Kelly
— Colonel William Hughes
Richard Eyer
— Kit Peterson
Constance Ford
— Mrs. Frances Nolan
Eddie Firestone
— Captain Mike Cavallero
Adam Kennedy
— Lieutenant Ed Simmons
Gregory Gaye
— Dr. Franz Gruener
Steven Ritch
— Major Irv Goldman
Richard Crane
— Captain Jack Nolan
Barbara Eden
— Blonde with Mike at Nightclub (uncredited)