Name	Known for
Yannick Bisson Detective William Murdoch Detective William Murdoch See fewer	Murdoch Mysteries (2008)
Helene Joy Dr. Julia Ogden (credit only) (as Hélène Joy) Dr. Julia Ogden (credit only) (as Hélène Joy) See fewer	Murdoch Mysteries (2008)
Thomas Craig Inspector Thomas Brackenreid Inspector Thomas Brackenreid See fewer	Murdoch Mysteries (2008)
Jonny Harris Constable George Crabtree Constable George Crabtree See fewer	Still Standing (2015)
Daniel Maslany Detective Llewellyn Watts Detective Llewellyn Watts See fewer	Impulse (2018)
Shanice Banton Violet Hart Violet Hart See fewer	Race (I) (2016)
Lachlan Murdoch Constable Henry Higgins Constable Henry Higgins See fewer	Cheaters (2002)
Arwen Humphreys Margaret Brackenreid Margaret Brackenreid See fewer	Murdoch Mysteries (2008)
Peter Keleghan Terrence Meyers Terrence Meyers See fewer	Ginger Snaps (2000)
Daniel Jun Mr. Vincent Park Mr. Vincent Park See fewer	The Fall of the House of Usher (2023)
Uni Park Mrs. Natalie Yoo (as Un-Hee Park) Mrs. Natalie Yoo (as Un-Hee Park) See fewer	The Art of War (2000)
Sean Baek Mr. Aaron Park Mr. Aaron Park See fewer	Killjoys (2015)
Chantelle Han Miss Rachel Park Miss Rachel Park See fewer	Peppergrass (2021)
Stasia Caz Klavdia Federov (as a different name) Klavdia Federov (as a different name) See fewer	Polar (I) (2019)
Henry Firmston Dmitri Popov Dmitri Popov See fewer	Murdoch Mysteries (2008)
Arrielle Edwards Ballerina Ballerina See fewer	Parasite Lady (2023)
Stephen McGrath Mr. Caraway (as Stephen Guy-McGrath) Mr. Caraway (as Stephen Guy-McGrath) See fewer	Reign (2013)
Rhoslynne Bugay Milliner Milliner See fewer	Ghostwriter (2019)