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)
Arwen Humphreys Margaret Brackenreid Margaret Brackenreid See fewer	Murdoch Mysteries (2008)
Christopher Jones Bobby Brackenreid Bobby Brackenreid See fewer	Feel the Beat (2020)
Bridget Ogundipe Marie La Jeunesse Marie La Jeunesse See fewer	Rabbit Hole (2023)
Arnold Pinnock Leo O'Rourke Leo O'Rourke See fewer	The Incredible Hulk (2008)
Tim Campbell Donald Hawkins Donald Hawkins See fewer	The Expanse (2015)
Randal Edwards Father Crowley Father Crowley See fewer	Room (I) (2015)
Grant Nickalls Cyril Phillpott Cyril Phillpott See fewer	The Incredible Hulk (2008)
Cassidy Little Stanley Mead Stanley Mead See fewer	The King's Man (2021)
Ryan Sheedy Constable Evans Constable Evans See fewer	Thanksgiving (I) (2023)
Adrian Truss Referee Malone Referee Malone See fewer	Ruby Gloom (2006)
Kyle Meagher Young Billy Murdoch Young Billy Murdoch See fewer	Anne with an E (2017)
Nayo Young Marie La Jeunesse (as Nayo Sasaki-Picou) Young Marie La Jeunesse (as Nayo Sasaki-Picou) See fewer	Clarice (2021)
Quenton Rose Young Leo O'Rourke Young Leo O'Rourke See fewer	Mission Unexplained (2023)
Alex Hrgetic Young Stanley Mead Young Stanley Mead See fewer	American Gods (2017)
Scott Gemmell Young Ben Hawkins Young Ben Hawkins See fewer	Gone Fishing Along the Okefenokee (2023)
Liam Lynch Young Donald Hawkins Young Donald Hawkins See fewer	Murdoch Mysteries (2008)