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