Gene Barry
饰 Clayton Forrester
Ann Robinson
饰 Sylvia Van Buren
Lewis Martin
饰 Matthew Collins
Frank Kreig
饰 Fiddler Hawkins (uncredited)
Vernon Rich
饰 Ralph Heffner
Sandro Giglio
饰 Dr. Bilderbeck
Ann Codee
饰 Dr. Duprey (uncredited)
Robert Cornthwaite
饰 Dr. Pryor
塞德里克·哈德威克
饰 Commentary (voice)
Houseley Stevenson Jr.
饰 General Mann's Aide
William Phipps
饰 Wash Perry
Paul Birch
饰 Alonzo Hogue (uncredited)
保罗·费斯
饰 Second Radio Reporter / Opening Announcer
Henry Brandon
饰 Cop at Crash Site
Peter Adams
饰 Pine Summit Fire Watcher (uncredited)
Eric Alden
饰 Man (uncredited)
Hugh Allen
饰 Brigadier General (uncredited)
Ruth Barnell
饰 Mother (uncredited)
