Jeff Siergey Director Spike Brandt Director Malcolm McDowell Professor Moriarity Voice Michael York Sherlock Holmes Voice John Rhys-Davies Dr. Watson Voice Grey DeLisle Red Voice Jeff Bergman Butch, Droopy Voice Phil LaMarr Spike, Policeman Voice Jonny Rees Tin, Sergeant Voice Jess Harnell Pan, Brett Jeremy Voice Earl Kress Screenwriter Alan Burnett Producer Bobbie Page Producer Sam Register Executive Producer Michael Tavera Original Music Robert S. Birchard Film Editing Collette Sunderman Casting Frederick J. Gardner III Production Design