Jack Arnold Director Richard Carlson John Putnam Actor Barbara Rush Ellen Fields Actor Charles Drake Sheriff Matt Warren Actor Russell Johnson George Actor Kathleen Hughes Jane Actor Joe Sawyer Frank Daylon Actor Dave Willock Pete Davis (uncredited) Actor Alan Dexter Dave Loring (uncredited) Actor George Eldredge Dr. Snell (uncredited) Actor Bradford Jackson Bob, Dr. Snell's assistant (uncredited) Actor Edgar Dearing Sam (uncredited) Actor Morey Amsterdam Corporal getting out of first staff car at crash site (unconfirmed) Actor Ray Bradbury Writer Harry Essex Writer William Alland Producer Irving Gertz Original Music Henry Mancini Original Music Herman Stein Original Music Clifford Stine Cinematographer Paul Weatherwax Film Editing Robert F. Boyle Art Director Bernard Herzbrun Art Director Russell A. Gausman Set Decoration Ruby R. Levitt Set Decoration Rosemary Odell Costume Design