On screen
Cast
34 credited performers
Thomas F. Wilson
Ed Klingbottom
Karim Prince
Roy Dubro
M. Emmet Walsh
Stanley
Brion James
Air Force
Wigald Boning
Dr. Strangemeister
Ben Stein
Men in Strangemeister's Head
George Kennedy
Army
Donna D'Errico
Press Secretary
Barry Bostwick
President Smith
Rodger Halston
Glaxxon
Don Stroud
Old Bob
John Bishop
G-Man
Patricia Elliott
Girl Scout Leader
Melissa Rivers
Female Reporter #1
Dave Fennoy
Glaxxon (voice)
Dee Bradley Baker
Subordinate Alien (voice)
Jennifer Coolidge
Character not listed
Artwork unavailable
Charles Philip Moore
Alien #1
Artwork unavailable
Amy Kidd
Female Reporter #2
Artwork unavailable
Blaine Etcheverry
Male Reporter
Artwork unavailable
Lacey Taylor Robbins
Girl Scout
Michael McDonald
Secret Service Agent
Artwork unavailable
Manny Fernandez
Character not listed
Artwork unavailable
Paul Di Franco
General Pandemonium
Carlos Bernard
Alien
Artwork unavailable
Rob Kerchner
Lifeguard
Artwork unavailable
Preston Ahearn
Character not listed
Danny Mann
Alien #1 (voice)
Artwork unavailable
Susan Silo
Alien #2 (voice)
Bobby Edner
Character not listed
Michael Reardon
Spock
Mary Ann Schmidt
Bikini Girl
Artwork unavailable
Seth Bailey
John Wayne Gacy's 'Pogo the Clown' (uncredited)
Rob Paulsen
Dr. Strangemeister (voice) (uncredited)