Simon Scott

as Dr Patrick Knight

as Captain

as Arnold Slocum

as Metcalf

as Dr. Baylor

as Gen. Phil Spencer - Chairman of the Joint Chiefs of Staff

as Robert Ten Broeck Stevens

as Luftwaffe General

as Sam Tucker

as Col. Barnes

as Gregory McGill

as Dr. Barto

as Dr. Samuel Abbott

as Capt. Dawson

as Jackson Wyndham

as McGuffin

as Hugh Gaynor

as Col. Anderson

as Gen. Mitchell Stevenson

as Mr. Kandiss

as Arthur Ferris

as George Harrington

as Harbald

as General Jomar

as Jim Cardoff

as Warren Stuart

as John Lovell

as Dr. Malcolm Gantley

as Maj. Pete Stanhope

as Dr. John Slaton

as William Anderson

as Jim Slade (Divorce Lawyer) (uncredited)

as Captain of Submarine, USS Sailfin

as District Attorney

as Gus Becker

as Henry Rivers

as Martin Pierce

as Johnson

as The Defender

as Stan Wilson

as Durrell

as Medical Officer

as Lt. Kritzman

as Capt. Harvey Adam

as Peter Simpson

as Maj. Wilson

as Tom Pryor

as Reeger

as Maj. Pryor

as Capt. Bill Ivers

as Stanley Overton

as Elliot Dunbar

as Carl Hastings

as Lt. Hollis

as Robert Allen, Attorney

as Mr. Rogers

as Parker (uncredited)

as Capt. Floyd Henderson (uncredited)

as Col. Hilyard