as Dr. Armand Zola / Worker (voice) (archive footage)

as Dr. Zola / Worker (voice)

as P.A. Announcer (voice)

as Bernard Kincaide

as Newscaster

as Joshua Lambert

as Dr. Johnny Windhurst

as Mallory

as Hunter

as Commentator

as Floyd Gaines

as Professor Zeiner

as Dr. Seneca Beaulac

as Dirk Shuster

as Wilson

as Mark Adams

as Andy Rivers

as Jack Thomas

as Pedro

as Crewman (uncredited)

as Jake (uncredited)

as Larry Devon

as Chilion

as Gunman (uncredited)

as 1st Lt. Corona

as 2nd Communications Man

as Bauer

as Absalom

as Policeman

as Gentz

as Self