as Sam Casey
as Cabinet Secretary (uncredited)
as Colonel Nathan Dudley
as Eddie Carstairs
as Gun Crewman (uncredited)
as Dr. Jeff Turner
as Doctor Terry
as Capt. Rufe Blackwell / Sam Gilmore
as Capt. Rex Morgan
as Capt. Jonathan West
as Lt. Col. Glenn Manning
as Edmund Dantes
as Jack Holbrook
as Prof. Ralph Fontayne
as Officer Pete Grayson
as Pietro Leoni
as Lt. Crofts Livingstone, USN
as Capt. Petersen
as Lieutenant Ashley Crothers
as Warden's Secretary (uncredited)
as Self (archive footage)
as Lloyd Morgan
as Interne
as Judson
as Capt. Ross
as Reporter (uncredited)
as Gen. Knowland
as Johnny
as North Carolina Congressman
as Student
as Roger McRae
as Prosecutor
as Capt. Stewart (uncredited)
as Self
as Bill Van Dyke III
as Rex
as Frank Morrow
as Dr. Dawson
as Jeff Standish
