• 
  Bert I. Gordon

  regizor

• 
  Thomas Browne Henry

  Col. Tom Sturgeon
• 
  Morris Ankrum

  Gen. John Hanson
• 
  Larry J. Blake

  Illinois Highway Patrolman
• 
  Frank Wilcox

  Gen. John T. Short
• 
  Bert Stevens

  Col. Hill
• 
  Eilene Janssen

  Teenager in Car
• 
  Dennis Moore

  Police Dispatcher

• 
  Bill Baldwin

  TV Announcer
• 
  Douglas Evans

  Norman Taggart - News Editor
• 
  Richard Benedict

  Cpl. Mathias
• 
  Peggie Castle

  Audrey Aimes
• 
  John Close

  Maj. Everett
• 
  Paul Grant

  Male Teenager in Car
• 
  Peter Graves

  Dr. Ed Wainwright

• 
  Don C. Harvey

  Guard at Lab
• 
  James Seay

  Capt. James Barton
• 
  Hylton Socher

  Frank - Soldier
• 
  Than Wyenn

  Frank Johnson

• 
  Jack A. Marta

  imagine
• 
  Albert Glasser

  departament sunet
• 
  Aaron Stell

  montaj
• 
  Bert I. Gordon

  producător
• 
  George Milo

  set decorator
• 
  Douglas Stewart

  sound department
• 
  Bert I. Gordon

  special effects
• 
  Fred Freiberger

  scriitor