Derek McGrath
- Compleanno:
- 06/04/1951
- Luogo di nascita:
- Porcupine, Ontario, Canada:
 | Thanksgiving (2023) Mayor Cantin |
 | True: Friendship Day (2020) |
 | The Marijuana Conspiracy (2020) |
 | From Friend to Fiancé (2019) Patrick |
 | Sound of Christmas (2016) Earl McKinley |
 | An American Dream: The Education of William Bowman (2016) Oswald Chambers |
 | A Puppy for Christmas (2016) Gramps |
 | Last Chance for Christmas (2015) Santa |
 | Northpole: Open for Christmas (2015) Peter Elfman |
 | Fir Crazy (2013) Hank |
 | Carrie (2013) Head Commissioner |
 | Christmas Magic (2011) Henry |
 | Fairfield Road (2010) Sam Peabody |
 | Charlie Bartlett (2008) Superintendent Sedgwick |
 | Daniel's Daughter (2008) Jim Cavanaugh |
 | Full of It (2007) Principal Hayes |
 | Aladdin: The Magical Family Musical (2006) Widow Bender |
 | The Safety of Objects (2002) Mr. Peabody |
 | The Hungry Squid (2002) Narrator |
 | Inherit the Wind (1999) Radio Technician |
 | Bloodsport: The Dark Kumite (1999) Warden Preston |
 | Stuart Bliss (1998) Mover |
 | Chameleon (1996) Morris Steinfeld |
 | Hologram Man (1995) Secretary Culkin |
 | Freaked (1993) Worm |
 | Drive Like Lightning (1992) |
 | She's Out of Control (1989) Jeff |
 | Police Academy 4: Citizens on Patrol (1987) Butterworth |
 | The Last Precinct (1986) |
 | Heathcliff: The Movie (1986) Lefty / Knuckles / Muggsy / Spike / Mr. Woodley |
 | The Romance of Betty Boop (1985) Waldo Van Lavish (voice) |
 | Draw! (1984) Reggie Bell |
 | Mr. Mom (1983) Exec. #1 |
 | The Funny Farm (1983) Harvey |
 | Take Me Up to the Ball Game (1980) The Eagle (voice) |
 | Nothing Personal (1980) Gas Jockey |
 | Intergalactic Thanksgiving, or Please Don't Eat the Planet (1979) Notfunnyenuf (voice) |
 | The Last Detail (1973) Nichiren Shoshu Member |