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