- Jack Herman - Dr. Richman
- William Shephard - Gen. York
- James 'Ike' Altgens - Secretary Lloyd Patterson
- John Loughney - Gen. Lamont
- Russ Marker - Col. Curtis
- Tom Ravick - Mutant
- Don Flournoy - Mutant
- Arthur C. Pierce - Mutant Escaping from Jail (uncredited)
- Malcolm Thompson - Guard (uncredited)
-
Edgar G. Ulmer
- Arthur C. Pierce
- Arthur C. Pierce
- Robert Clarke
- Sidney Lumet
Capítulo disponible en las siguientes plataformas: