Name	Known for
Yannick Bisson Detective William Murdoch Detective William Murdoch See fewer	Murdoch Mysteries (2008)
Helene Joy Dr. Julia Ogden (as Hélène Joy) Dr. Julia Ogden (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)
Lachlan Murdoch Constable Henry Higgins Constable Henry Higgins See fewer	Cheats (2002)
Siobhan Murphy Ruth Newsome Ruth Newsome See fewer	Cross (2024)
Shanice Banton Violet Hart Violet Hart See fewer	Race (I) (2016)
Sophie McShera Ann Ryand Ann Ryand See fewer	Cinderella (I) (2015)
Bea Santos Louise Cherry Louise Cherry See fewer	True Detective (2014)
Aaron Poole Frank Lloyd Wright Frank Lloyd Wright See fewer	The Empty Man (2020)
Nicholas Carella Mr. Towne Mr. Towne See fewer	Under the Banner of Heaven (2022)
Shannon Currie Mrs. Ferguson Mrs. Ferguson See fewer	Warehouse 13 (2009)
Shane Carty Mr. Ferguson Mr. Ferguson See fewer	Flashpoint (2008)
Jean Pearson Mr. Dodds Mr. Dodds See fewer	Georgetown (2019)
Paul Rivers Mr. Kepner Mr. Kepner See fewer	Börje (2023)
Nathan Hoppe Constable McNabb Constable McNabb See fewer	Tracker (2001)
Allan Turner Mr. Spoud Mr. Spoud See fewer	A Tale of Momentum & Inertia (2014)