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 Craig Huebing as Willard Pat Cardi as Bill Concannon Jack Bannon as Junior Officer Byron Keith as Gen. Cullenbine Larry Thor as Dr. Jacobs Ed Deemer as Air Policeman
