R.H. Thomson
- Murder in a Small Town
2024 Carlyle Burke
- The Last Curlew
2023 Grandpa
- Stellar
2022 Professor
- Charlotte
2022 Mr. Schmidt
- Clara
2018 Dr. John Rickman
- Anne with an E
2017 Matthew Cuthbert
- Love's Complicated
2016 Senator Douglas Townsend
- Painted Land: In Search of the Group of Seven
2015 voice of J.E.H. MacDonald
- The Land Between
2013 Narrator
- Whirligig
2011 Andre
- Chloe
2010 Frank
- Republic of Doyle
2010 Francis Chafe
- Well Kept Secrets: Athanasia
2008 Manuel
- The Englishman's Boy
2008 Tom Hardwick
- Murdoch Mysteries
2008 Chief Inspector Stewart
- Who Loves the Sun
2006 Arthur Bloom
- Population 436
2006 Sheriff Calcutt
- October 1970
2006 James Richard Cross
- Prairie Giant: The Tommy Douglas Story
2006 Dr. Moulds
- Full-Court Miracle
2003 Rabbi Lewis
- The Piano Man's Daughter
2003 Frederick Wyatt
- Hell on Heels: The Battle of Mary Kay
2002 Richard Rogers
- Trudeau
2002 Mitchell Sharp
- The Stork Derby
2002 Huge McLean
- The Royal Scandal
2001 Mycroft Holmes
- The Universal Clock: The Resistance of Peter Watkins
2001 Narrator
- The Associates
2001 Angus MacGregor
- The Dinosaur Hunter
2000 Reverend Smythe
- Crime in Connecticut: The Story of Alex Kelly
1999 Ray Marcassi
- P.T. Barnum
1999 James Anthony Bailey
- P.T. Barnum
1999 James Anthony Bailey
- Bone Daddy
1998 Stone
- Silent Cradle
1997 David Greg
- Twilight of the Ice Nymphs
1997 Dr. Issac Solti
- Guy Maddin: Waiting for Twilight
1997 Dr. Isaac Solti (during prod. of Twilight of the Ice Nymphs)
- Murder at My Door
1996 Ed McNair
- Net Worth
1995 Milton Mound
- My Breast
1994 Dr. Luke
- Max
1994 Andy Blake
- The Babymaker: The Dr. Cecil Jacobson Story
1994 Bill Castellano
- The Lotus Eaters
1993 Hal Kingswood
- Bonds of Love
1993 Jake Hobart
- Mark Twain and Me
1991 Albert Paine
- The Quarrel
1991 Chaim Kovler
- Road to Avonlea
1990 Jasper Dale
- The First Season
1989 Eric Anderson
- Love & Hate: The Story of Colin and Joanne Thatcher
1989 Gerry Allbright
- Glory Enough For All
1988 Dr Frederick Banting
- Heaven On Earth
1987 Wilf Hawthorne
- Ford: The Man and the Machine
1987 Edsel Ford
- And Then You Die
1987 Det. Sgt. James McGrath
- Stranger in My Bed
1987 Dr. Davidson
- The Marriage Bed
1986 Dr. Jeff Reilly
- Martin's Day
1985 Paul Mennen
- Charlie Grant's War
1985 Charlie Grant
- Samuel Lount
1985 Samuel Lount
- Vision Quest
1985 Kevin
- Moonlighting
1985 Dr. Steve Hill (as R.H. Thompson)
- The Ray Bradbury Theater
1985 Morgan
- Screen Two
1985 Wilf Hawthorne
- The Terry Fox Story
1983 Dr. Simon
- If You Could See What I Hear
1982 Will Sly
- American Playhouse
1982 Chaim Kovler
- Escape from Iran: The Canadian Caper
1981 Lee Schatz
- Happy Memories
1981 Rick
- Surfacing
1981 David
- Ticket to Heaven
1981 Linc Strunc
- Jig-Saw
1979 Borke
- An American Christmas Carol
1979 Thatcher
- For the Record
1976
