On screen
Cast
18 credited performers
Charlton Heston
Maj. Bernard R. 'Barney' Benson
Julie Adams
Dr. Kay Lambert
William Demarest
John
Tim Hovey
Cadet Thomas 'Tiger' Flaherty
Nana Bryant
Mother Redempta
Tim Considine
Cadet Lt. Gerald Hibler
Sal Mineo
Cadet Col. Sylvester Dusik
Milburn Stone
Maj. Gen. Wilton J. Ramsey
Artwork unavailable
Mary Field
Sister Mary Theresa
Joey D. Vieira
Cadet Cpl. Scawalski (as Donald Keeler)
Artwork unavailable
Gary Pagett
Cadet Lt. Molony
Don Haggerty
Harold Hibler
David Janssen
Young Lieutenant
Richard H. Cutting
Monsignor Collins
Sue George
Nancy (uncredited)
Artwork unavailable
Steven Benson
Cadet
Artwork unavailable
Madge Blake
Woman at Airport
Artwork unavailable
Alfred Caiazza
Cadet Lt Morelli (uncredited)