Name	Known for
Yannick Bisson Detective William Murdoch Detective William Murdoch See fewer	Murdoch Mysteries (2008)
Helene Joy Dr. Julia Ogden Dr. Julia Ogden See fewer	Murdoch Mysteries (2008)
Thomas Craig Inspector Thomas Brackenreid Inspector Thomas Brackenreid See fewer	Murdoch Mysteries (2008)
Jonny Harris Constable George Crabtree (credit only) Constable George Crabtree (credit only) See fewer	Still Standing (2015)
Lachlan Murdoch Constable Henry Higgins Constable Henry Higgins See fewer	Cheaters (2002)
Shanice Banton Violet Hart Violet Hart See fewer	Degrassi: The Next Generation (2001)
Arwen Humphreys Margaret Brackenreid Margaret Brackenreid See fewer	Murdoch Mysteries (2008)
Aidan Devine Duncan Campbell Duncan Campbell See fewer	A History of Violence (2005)
R.H. Thomson Chief Inspector Francis Stewart Chief Inspector Francis Stewart See fewer	Chloe (2009)
Fiona Highet Morag Cambpell Morag Cambpell See fewer	RoboCop (1994)
Chloe Rose Iona Campbell Iona Campbell See fewer	Teenagers (2014)
Ian D. Clark Douglas Cameron Douglas Cameron See fewer	Avonlea (1990)
Seamus Patterson Alasdair Campbell Alasdair Campbell See fewer	Channel Zero (2016)
Dale Whibley Ross Cambpell Ross Cambpell See fewer	There's Someone Inside Your House (2021)
Scott Dion Brown Clifford Clifford See fewer	Kessler Syndrome (2017)
Robert Clarke Fingal MacDonald Fingal MacDonald See fewer	The 6th Day (2000)
Eric Welch Enden Gunn Enden Gunn See fewer	The Hot Zone (2019)
David Michael Moote Malcom MacDonald Malcom MacDonald See fewer	Christmas Inheritance (2017)
Brian Young Father Aloysius Father Aloysius See fewer	Departure (2019)
Brian Young Father Aloysius Father Aloysius See fewer	Covert Affairs (2010)