Girl (as Christina Steiner)
Boy
Prof. Ichihiro Honda
Dr. Richard Blowheart
Dr. Shirley Yujest (as Tifani Ahren Davis)
Dr. Bjorn Bloch
Dr. Jacques Butay
Dr. Mort Shortman
Dr. Hugh Mungish
Pearl Stringer
Dr. Kidman
Bobby Bleech
Man in Street / Captain Bleech / Newscaster / Man
Notzilla
Pentagon Receptionist (as Amanda C. Teemley)
Gen. Dirk Bogus
Kenny Wannabee
Col. Reginald J. Stickler (as Darnell Benjamin)
Brewmeister Übertrinker
Troop
Mime
Lieutenant
Grill Chef
Newspaper Editor
Soldier 1
Soldier 2 (as Greg Mallios)
Woman
General Specific
(uncredited)
Scientist (uncredited)
Pedestrian (uncredited)
Diner Patron (uncredited)
Train Passenger (uncredited)
Restaurant Patron (uncredited)
Frightened Citizen (uncredited)