Pier Angeli
— Teresa Russo
John Ericson
— Philip Cass
Patricia Collinge
— Clara Cass
Richard Bishop
— Mr. Cass
Peggy Ann Garner
— Susan Cass
Ralph Meeker
— Sgt. Dobbs
Bill Mauldin
— Grissom
Ave Ninchi
— Sra. Russo
Edward Binns
— Sgt. Brown
Rod Steiger
— Frank
Aldo Silvani
— Professor Crocce
Tommy Lewis
— Walter
Franco Interlenghi
— Mario Russo
Edith Atwater
— Mrs. Lawrence
Lewis E. Ciannelli
— Cheyenne
William King
— Boone
Richard McNamara
— G.I. Cook
Lee Marvin
— G.I. (uncredited)
Robert Wagner
— G.I. (uncredited)