Derek McGrath
44 credits
- The Spirit of Halloween
2026 Past Ghost
- A Merry Little Ex-Mas
2025 Mike Holden
- Thanksgiving
2023 Mayor Cantin
- From Friend to Fiancé
2019 Patrick
- An American Dream: The Education of William Bowman
2016 Oswald Chambers
- Sound of Christmas
2016 Earl McKinley
- A Puppy for Christmas
2016 Gramps
- Northpole: Open for Christmas
2015 Peter Elfman
- Last Chance for Christmas
2015 Santa
- Christmas Incorporated
2015 (uncredited)
- Fir Crazy
2013 Hank
- Carrie
2013 Head Commissioner
- Christmas Magic
2011 Henry
- Fairfield Road
2010 Sam Peabody
- Daniel's Daughter
2008 Jim Cavanaugh
- Charlie Bartlett
2008 Superintendent Sedgwick
- Full of It
2007 Principal Hayes
- Wide Awake
2007 Dr. Matt Einen
- Aladdin: The Magical Family Musical
2006 Widow Bender
- The Safety of Objects
2002 Mr. Peabody
- The Hungry Squid
2002 Narrator
- Bloodsport: The Dark Kumite
1999 Warden Preston
- Inherit the Wind
1999 Radio Technician
- Nice Guys Sleep Alone
1999 Eddie
- Stuart Bliss
1998 Mover
- Chameleon
1996 Morris Steinfeld
- Hologram Man
1995 Secretary Culkin
- Freaked
1993 Worm
- She's Out of Control
1989 Jeff
- Police Academy 4: Citizens on Patrol
1987 Butterworth
- Heathcliff: The Movie
1986 Lefty / Knuckles / Muggsy / Spike / Mr. Woodley
- The Romance of Betty Boop
1985 Waldo Van Lavish (voice)
- Draw!
1984 Reggie Bell
- That's My Baby!
1984
- 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
