Cast
Gene Barry
Dr. Clayton Forrester
Ann Robinson
Sylvia Van Buren
Lewis Martin
Pastor Dr. Matthew Collins
Les Tremayne
Maj. Gen. Mann
Frank Kreig
Fiddler Hawkins (uncredited)
Vernon Rich
Col. Ralph Heffner
Sandro Giglio
Dr. Bilderbeck
Ann Codee
Dr. Duprey (uncredited)
Robert Cornthwaite
Dr. Pryor (as Bob Cornthwaite)
Cedric Hardwicke
Commentary (voice) (as Sir Cedric Hardwicke)
Houseley Stevenson Jr.
Gen. Mann's Aide (as Housely Stevenson Jr.)
William Phipps
Wash Perry (as Bill Phipps)
Jack Kruschen
Salvatore
Paul Birch
Alonzo Hogue (uncredited)
Paul Frees
Second Radio Reporter / Opening Announcer
