It tells of the events before the film, in which monster hunter Gabriel Van Helsing travels to London to investigate a series of horrific, and decidedly supernatural murders, being committed by the mad scientist Dr. Jekyll, in the form of his evil alter-ego, Mr. Hyde.
Hugh Jackman
as Gabriel Van Helsing (voice)
Robbie Coltrane
as Mr. Hyde (voice)
David Wenham
as Carl (voice)
Grey DeLisle
as First Victim (voice)
Dwight Schultz
as Dr. Jekyll (voice)
John DiMaggio
as Coachman (voice)
Scott Mosenson
as Palastwache (voice)
Alun Armstrong
as Cardinal Jinetta (voice)
Roger L. Jackson
as Gentleman (voice)
Julia Fletcher
as Lady (voice)
Tress MacNeille
as Queen Victoria (voice)
Tara Strong
as Young Victoria (voice)
