A native of Timmins, Ontario, Derek McGrath launched his performing career as Linus in the stage production You’re a Good Man, Charlie Brown, later becoming a familiar face on North-American television. He portrayed Andy Schroeder on Cheers, Oswald Valentine in Dallas, Dr. Benjamin Jeffcoate in My Secret Identity, and Crewman Chell on Star Trek: Voyager, while also appearing as Dr. Derek Hebert in… Read more
Biography written by WatchMoods, based on public sources
Known for The Good Doctor 2017 Suits 2011 Carrie 2013 Thanksgiving 2023 Series ★ 8.5 The Good Doctor 2017
Artie Hill Series ★ 8.2 Suits 2011
Mr. Paulson Series ★ 8 Unicorn Academy 2023
Mr. Tansy (voice) Series ★ 7.8 In the House 1995
Series ★ 7.8 Star Trek: Voyager 1995
Crewman Chell Series ★ 7.7 Kim's Convenience 2016
Frank Series ★ 7.7 Good Witch 2015
Vice Principal Series ★ 7.7 Lost Girl 2010
Dr. Palmer Series ★ 7.7 Married... with Children 1987
Buck - Dream Sequence Series ★ 7.7 The Real Ghostbusters 1986
Simon Quegg (voice) Series ★ 7.6 The Golden Girls 1985
Coordinator Series ★ 7.6 Cheers 1982
Andy Schroeder Series ★ 7.5 Transplant 2020
Donald Series ★ 7.5 The Red Green Show 1991
Series ★ 7.4 Who's the Boss? 1984
Series ★ 7.3 So Help Me Todd 2022
Judge Ezekiel Brixton Series ★ 7.2 Sue Thomas: F.B.Eye 2002
Gregory Gilborn Series ★ 7.2 Newhart 1982
Series ★ 7 Walker, Texas Ranger 1993
Harris Series ★ 7 My Secret Identity 1988
★ 7 The Last Detail 1973
Nichiren Shoshu Member Series ★ 6.9 Dallas 1978
Oswald Valentine Series ★ 6.8 Earth: Final Conflict 1997
Pax Series ★ 6.8 Family Matters 1989
Pat Series ★ 6.7 Carter 2018
Eugene Wallace ★ 6.7 Charlie Bartlett 2008
Superintendent Sedgwick Series ★ 6.6 Revival 2025
Bob Dittman ★ 6.6 A Puppy for Christmas 2016
Gramps Series ★ 6.6 Little Mosque on the Prairie 2007
Rev. Duncan Magee ★ 6.6 Mr. Mom 1983
Exec. #1 ★ 6.5 Thanksgiving 2023
Mayor Cantin ★ 6.5 The Safety of Objects 2002
Mr. Peabody Series ★ 6.5 Growing Pains 1985
Encyclopedia Salesman ★ 6.4 Christmas Magic 2011
Henry Series ★ 6.3 Frankie Drake Mysteries 2017
Abraham Amory ★ 6.3 Sound of Christmas 2016
Earl McKinley ★ 6.3 Christmas Incorporated 2015
(uncredited) ★ 6.3 Fairfield Road 2010
Sam Peabody ★ 6.3 Inherit the Wind 1999
Radio Technician Series ★ 6.2 The Mist 2017
Benedict Raven ★ 6.2 Freaked 1993
Worm ★ 6.1 From Friend to Fiancé 2019
Patrick ★ 6.1 Carrie 2013
Head Commissioner Series ★ 6.1 Ellen 1994
Stanley Peck ★ 6 A Merry Little Ex-Mas 2025
Mike Holden ★ 5.9 Last Chance for Christmas 2015
Santa ★ 5.9 Fir Crazy 2013
Hank ★ 5.8 Northpole: Open for Christmas 2015
Peter Elfman ★ 5.5 Police Academy 4: Citizens on Patrol 1987
Butterworth ★ 5.4 Full of It 2007
Principal Hayes ★ 5.2 She's Out of Control 1989
Jeff ★ 4.8 Bloodsport: The Dark Kumite 1999
Warden Preston ★ 4.1 Hologram Man 1995
Secretary Culkin 
