James Gillies is a criminal mastermind who considers himself William Murdoch's nemesis.
Appearances
Murdoch Mysteries
Guest cast, played by Michael Seater
- Episode 2x07: Big Murderer on Campus (Mar 17, 2009)
- Episode 5x11: Murdoch in Toyland (May 8, 2012)
- Episode 6x12: Crime and Punishment (Apr 8, 2013)
- Episode 6x13: The Murdoch Trap (Apr 15, 2013)
- Episode 7x09: A Midnight Train to Kingston (Dec 2, 2013)
- Episode 7x12: Unfinished Business (Jan 20, 2014)
- Episode 7x13: The Murdoch Sting (Jan 27, 2014)
- Episode 10x10: The Devil Inside (Jan 9, 2017)
- Episode 17x05: Station House of Horrors (Oct 30, 2023)