Sherlock Holmes and Watson are on the trail of a criminal and scientific mastermind who seems to control monsters and creations which defy belief.
Ben Syder
Sherlock Holmes
Gareth David-Lloyd
Dr. John Watson
Dominic Keating
Thorpe Holmes
William Huw
Lestrade
Elizabeth Arends
Anesidora Ivory
David Shackleton
Old Dr. Watson
Dylan Jones
Grolton
Jago North
Reporter
