Glenn Langan

as Cabinet Secretary (uncredited)

as Colonel Nathan Dudley

as Self (archive footage)

as Prosecutor

as Capt. Ross

as Gen. Knowland

as Lt. Col. Glenn Manning

as Roger McRae

as Sam Casey

as Officer Pete Grayson

as Johnny

as Lloyd Morgan

as Pietro Leoni

as Capt. Petersen

as Capt. Jonathan West

as Edmund Dantes

as Pietro Leoni

as Dr. Terry

as Capt. Rufe Blackwell / Sam Gilmore

as Capt. Rex Morgan

as Bill Van Dyke III

as Dr. Jeff Turner

as Prof. Ralph Fontayne

as Judson

as Eddie Carstairs

as Lt. Crofts Livingstone, USN

as Self

as Capt. Stewart (uncredited)

as Lieutenant Ashley Crothers

as Jack Holbrook

as Gun Crewman (uncredited)

as Interne

as Warden's Secretary (uncredited)

as Reporter (uncredited)

as Student

as North Carolina Congressman

as Frank Morrow

as Dr. Dawson

as Rex

as Jeff Standish