as Jerry March
as Monsieur de la Tremouille
as Maestro Borov
as Dr. Rufus Schmidt (uncredited)
as Antonio
as Jordon
as Steadman
as Malchiel
as Carl Steiner
as The Future-being Judge
as Dantino
as Dr. Granchard
as Conductor
as Dr. Hugo Granchard
as Dr. Frazer
as Defense Attorney Gage
as Vince
as Older Lawyer
as Steve Radom
as Wolfgang Stromm
as Dr. Paul Hogathy
as Alien Leader (voice) (uncredited)
as Canto of Quasti (voice)
as Judge Iko (voice)
as Prof. Ainsley
