Selected filmography:
Films and television
- The Kids in the Hall (1989-1995; 2022) as one of the main cast
- Friends (1996) as Guru Saj (episode: "The One with Ross's Thing")
- Kids in the Hall: Brain Candy (1996) as Dr. Chris Cooper, Doreen, Chris' dad, and Lacey
- The Wrong Guy (1997) as a motel manager
- NewsRadio (1997) as Throwdini
- Ellen (1997-1998) as Chuck
- The Godson (1998) as Guppy Calzone
- Galaxy Quest (1999) as an announcer
- The Ladies Man (2000) as a mailman
- That '70s Show (2000-2001) as Pastor Dave
- Invader Zim (2001-2002) as the Almighty Tallest Purple
- Lilo & Stitch franchise (2002-2006) as Agent Wendy Pleakley
- Lilo & Stitch (2002)
- Stitch! The Movie (2003)
- Lilo & Stitch: The Series (2003-2006)
- Lilo & Stitch 2: Stitch Has a Glitch (2005)
- Leroy & Stitch (2006)
- Foster's Home for Imaginary Friends (2004) as Ivan (episode: "Sight for Sore Eyes")
- Zeroman (2004) as Rusty Woodenwater
- Catscratch (2005-2007) as Waffle
- Sky High (2005) as Mr. Medulla
- Epic Movie (2007) as Harry Potter
- Back at the Barnyard (2009) as Baxter and Flaky (four episodes: "Puppy Love", "Doggelganger", "Man's Best Fiend", "CuPig")
- The Kids in the Hall: Death Comes to Town (2010) as several characters
- Dead Before Dawn (2012) as Professor Reginald Duffy
- The Bagel and Becky Show (2016-2017) as Bagel
- Amphibia (2019-2022) as Albus Duckweed
- Scott Pilgrim Takes Off (2023) as Edgar Wrong
Video games
- Disney Infinity 2.0 (2014) as Agent Wendy Pleakley (Stitch's Tropical Rescue Toy Box game)
Theme park attractions
- Stitch's Great Escape! (2004) as Agent Wendy Pleakley (voiceover only)
Tropes associated with Kevin McDonald
- Wholesome Crossdresser: A frequent trademark of his, especially in his work with The Kids in the Hall. He also voiced an animated character who is well-known for this (Pleakley).
