- Gerald Mohr
- Vince Potter
- Peggie Castle
- Carla Sanford
- Dan O'Herlihy
- Mr. Ohman
- Robert Bice
- George Sylvester
- Tom Kennedy
- Tim, Bartender
- Wade Crosby
- Illinois Congressman Arthur V. Harroway
- Erik Blythe
- Ed Mulfory
- Phyllis Coates
- Mrs. Mulfory
- Aram Katcher
- Factory Window Washer
- Knox Manning
- Newscaster
- Edward G. Robinson Jr.
- Radio Dispatcher
- Noel Neill
- Second Airline Ticket Agent
- Clarence A. Shoop
- Army Major
- Jack Carr
- Plant Worker
- John Crawford
- Man in Bar
- Richard Eyer
- Mulfory's Son
- Franklyn Farnum
- Man from Omaha
- Joe Gilbert
- Tourist in Line
- Joseph Granby
- President of the U.S.A.
- Shep Houghton
- Military Attache
- Ethan Laidlaw
- Russian Sea Captain
- Jack Lomas
- Wise Guy in Bar
- Renny McEvoy
- Military Guardsman
- Frank Mills
- Plant Worker
- Jack Reitzen
- Russian Invader
- William Schallert
- Third Newscaster
