Buckaroo Banzai
Dr. Emilio Lizardo / Lord John Whorfin
Penny Priddy
New Jersey
John Bigbooté
Perfect Tommy
John Emdall
Professor Hikita
Reno Nevada
President Widmark
Secretary of Defense
Rawhide
General Catburd
John Parker
John O'Connor
John Gomez
Senator Cunningham
Casper Lindley
Scooter Lindley
Pinky Carruthers
Mrs. Johnson
Billy Travers
Lizardo Hospital Guard
Radar Blazer
Mission Control
Highway Patrolman (as John David Ashton)
Duck Hunter Burt (as Kenneth Magee)
Duck Hunter Bubba
National Security Advisor
Artie Duncan
TV Anchorwoman
Star Surgeon
Exhibitor
John Yaya
Reporter
John Gant (as Kevin Sullivan)
Black Lectroid Commander
Marine Lt.
Kolodny Brother
Rug Sucker
Masado Banzai, Buckaroo's Father (scenes deleted)
Fan Girl (uncredited)
Drunk niteclub patron (uncredited)
(uncredited)
Sam the jetcar mechanic (uncredited)
Young Buckaroo (uncredited)
John Smallberries (uncredited)
Lectroid (uncredited)