Ralph Votrian

as Dr. Vollbracht

as Narrator

as Officer Blake (segment "Surveillance Camera")

as Lexian

as Mr. Cromwell

as Dr. Richmond

as King Lexian (uncredited)

as Reporter

as Hanachek

as Jeb Kane

as Billy Griggs

as American Pfc.

as Max Murphy

as 1st Gate Sergeant

as Herbie Ryder

as Steve

as Music

as Milky

as Pvt. Talbot

as Wilbur

as Self