as Pedro
as Chilion
as 2nd Communications Man
as Joshua Lambert
as 1st Lt. Corona
as Jake (uncredited)
as Commentator
as Dr. Armand Zola / Worker (voice) (archive footage)
as Mark Adams
as Professor Zeiner
as Gunman (uncredited)
as Mallory
as Hunter
as Larry Devon
as Wilson
as Bernard Kincaide
as Newscaster
as Dr. Johnny Windhurst
as Andy Rivers
as Crewman (uncredited)
as Dr. Zola / Worker (voice)
as P.A. Announcer (voice)
as Jack Thomas
as Floyd Gaines
as Dirk Shuster
as Gentz
as Absalom
as Policeman
as Dr. Seneca Beaulac
