Marlon Brando
Dr. Moreau
Val Kilmer
Montgomery
David Thewlis
Douglas
Fairuza Balk
Aissa
Daniel Rigney
Hyena-Swine
Temuera Morrison
Azazello
Nelson de la Rosa
Majai
Peter Elliott
Assassimon
Mark Dacascos
Lo-Mai
Ron Perlman
Sayer of the Law
Marco Hofschneider
M'Ling
Miguel López
Waggdi
Neil Young
Boar Man
David Hudson
Bison Man
Clare Grant
Fox Lady
Kitty Silver
Sow Lady #1
Fiona Mahl
Sow Lady #2
William Hootkins
Kiril
Agoes Widjaya Soedjarwo
Captain
Ron Vreeken
Soldier #1
Lou Horvath
Soldier #2
Morgan Smallbone
Dog Man (uncredited)
Richard Stanley
Melting Bulldog (uncredited)
Frank Welker
Assassimon (voice) (uncredited)