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	Murdoch Mysteries (2008)
Shanice Banton Violet Hart Violet Hart See fewer	Degrassi: The Next Generation (2001)
Lachlan Murdoch Constable Henry Higgins Constable Henry Higgins See fewer	Cheaters (2002)
Bea Santos Louise Cherry Louise Cherry See fewer	True Detective (2014)
Lucy Ellis Irene Robbins Irene Robbins See fewer	Murdoch Mysteries (2008)
Lyla Porter-Follows Leigh Iverson Leigh Iverson See fewer	Meatball (2025)
Michael Therriault Roger Douglas Roger Douglas See fewer	Prairie Giant: The Tommy Douglas Story (2006)
Ben Steele Caldwell Perry Balfour (as Ben Caldwell) Perry Balfour (as Ben Caldwell) See fewer	Ginny & Georgia (2021)
Mika Amonsen Donovan Kent Donovan Kent See fewer	Thanksgiving (I) (2023)
Ellie O'Brien Andrea Porter Andrea Porter See fewer	My Life with the Walter Boys (2023)
Jamie Lauren Heather Iverson Heather Iverson See fewer	Murdoch Mysteries (2008)
Jaime Lauren Girl (uncredited) Girl (uncredited) See fewer	Run Kai Run (2018)