Special Guest Stars James Daly as Gen. Samuel Arlington Concannon Guest Stars Kent Smith as Edgar Scoville Alfred Ryder as The Invader Leader Linwood McCarthy as Col. Archie Harmon Phyllis Thaxter as Sarah Concannon Co Starring Jan Merlin as Post Byron Keith as Gen. Cullenbine Pat Cardi as Bill Concannon Craig Huebing as Willard Jack Bannon as Junior Officer Larry Thor as Dr. Jacobs Ed Deemer as Air Policeman
