| Peanuts in Space: Secrets of Apollo 10 | 2019 | Peppy Announcer (voice) | TV Show |
| The 20th Century | 2019 | Lord Muto | Movie |
| Snoopy in Space | 2019 | Bird Bud 1 | TV Show |
| Carter | 2018 | Nigel Wist | TV Show |
| Little Dog | 2018 | Mr. Leon | TV Show |
| Cupcake & Dino: General Services | 2018 | | TV Show |
| Vampire Steve | 2018 | All Voices (voice) | TV Show |
| What Would Sal Do? | 2017 | Bishop Galloway | TV Show |
| Anne with an E | 2017 | Talking Sunflower | TV Show |
| Cloudy with a Chance of Meatballs | 2017 | Tim Lockwood / Mayor Shelbourne / Old Rick | TV Show |
| Workin' Moms | 2017 | Nick Peterson | TV Show |
| L.M. Montgomery's Anne of Green Gables: Fire & Dew | 2017 | Mr. Sadler | TV Movie |
| Mysticons | 2017 | Gandobi | TV Show |
| Frankie Drake Mysteries | 2017 | Mr. Millard | TV Show |
| How to Buy a Baby | 2017 | Darren | TV Show |
| The Great Northern Candy Drop | 2017 | Serge / Leonard (voice) | TV Movie |
| Winston Steinburger and Sir Dudley Ding Dong | 2016 | Sgt Sasha Spritz | TV Show |
| The Great Canadian Screen Test | 2016 | | TV Movie |
| Supers | 2016 | Gecko-Man | Short Film |
| Odd Squad: The Movie | 2016 | Mayor Macklemore (as Sean Cullen) | Movie |
| Atomic Puppet | 2016 | Hydronomous | TV Show |
| Just a Beer | 2016 | Edward | Short Film |
| Inspector Gadget | 2015 | Dr. Standin | TV Show |
| Good Witch | 2015 | Quiz Master | TV Show |
| Dark Matter | 2015 | Professor Brophey | TV Show |
| Looped | 2015 | Coach Lessard / Mr. LemonJello | TV Show |
| Numb Chucks | 2014 | | TV Show |
| Ruby Skye P.I.: The Maltese Puppy | 2014 | Colin Cumberbund | Movie |
| Bang Bang Baby | 2014 | Jack Avery (as Sean Cullen) | Movie |
| Duty Calls | 2014 | Cop | Short Film |
| Odd Squad | 2014 | Mayor Macklemore | TV Show |
| The Stanley Dynamic | 2014 | Butler | TV Show |
| Dino Dan: Trek's Adventures | 2013 | Mr. Paluxy | TV Show |
| Oh No! It's an Alien Invasion | 2013 | Emperor Brainlius / Emperor Brainilus | TV Show |
| Annedroids | 2013 | Drama Teacher | TV Show |
| The Day My Butt Went Psycho! | 2013 | | TV Show |
| Greenscreen | 2013 | Sean | Short Film |
| Sunshine Sketches of a Little Town | 2012 | Captain | TV Movie |
| Old Stock | 2012 | Mayor Mike Mahoney | Movie |
| Rocket Monkeys | 2012 | Gus / Nefarious / Deep Space Dave / ... | TV Show |
| Grojband | 2012 | | TV Show |
| Mulroney: The Opera | 2011 | Robert Coates | Movie |
| Almost Naked Animals | 2011 | Piggy / Narwhal / NarWhal | TV Show |
| Winnipeg Comedy Festival 2011 | 2011 | | TV Show |
| Detentionaire | 2011 | Principal General Barrage | TV Show |
| 18 to Life | 2010 | The Mailman | TV Show |
| Lost Girl | 2010 | Dabner | TV Show |
| Abroad | 2010 | Max Hardman | TV Movie |
| Wingin' It | 2010 | Socrates | TV Show |
| The Legend of Beaver Dam | 2010 | Pathmaster | Short Film |
| Dino Dan | 2010 | Mr. Pollaxi | TV Show |
| Sidekick | 2010 | The Bogey Man | TV Show |
| Scaredy Squirrel | 2010 | | TV Show |
| Producing Parker | 2009 | Slim Sitter 3000 | TV Show |
| Hotbox | 2009 | | TV Show |
| The Dating Guy | 2009 | Pot Creature | TV Show |
| The Ron James Show | 2009 | | TV Show |
| Jimmy Two-Shoes | 2009 | Lucius / Cerbee / Lucius Heinous VII / ... | TV Show |
| The Love Guru | 2008 | Referee | Movie |
| Best Ed | 2008 | Ed | TV Show |
| Murdoch Mysteries | 2008 | Rudyard Kipling / Chippy Blackburn | TV Show |
| Sir Francis Drake: The Queen's Pirate | 2008 | Lord Howard of Effingham | Short Film |
| The Interior Monologue of Gill the Goldfish | 2007 | Gill (voice) | Short Film |
| Code Monkeys | 2007 | George Lucas | TV Show |
| Grossology | 2006 | Fartor | TV Show |
| Monster Warriors | 2006 | Klaus Von Steinhauer | TV Show |
| The Shakespeare Comedy Show | 2006 | Titus Andronicus (segment "The Titus Andronicus Show") | TV Show |
| Where the Truth Lies | 2005 | Telethon Announcer | Movie |
| Burnt Toast | 2005 | Charles | TV Movie |
| Maple Shorts! | 2005 | Canuckles A. Goose | TV Show |
| Phil the Alien | 2004 | Sammy the Alien | Movie |
| Saint Ralph | 2004 | Children's Aid Officer | Movie |
| A Wrinkle in Time | 2003 | Happy Medium | TV Movie |
| Odd Job Jack | 2003 | Tolbert Daze / Astoundo / The Captain / ... | TV Show |
| Slings and Arrows | 2003 | Basil | TV Show |
| The Seán Cullen Show | 2003 | Seán Cullen | TV Show |
| Martin and Lewis | 2002 | Jackie Gleason (uncredited) | TV Movie |
| Patti | 2002 | The Pigeon Man | TV Show |
| CBC Winnipeg Comedy Festival | 2002 | Grog | TV Show |
| Liography | 2001 | Linus / Wilbur Newton | TV Show |
| The Ellen Show | 2001 | Christian Snee / Guitarist | TV Show |
| Don't Eat the Neighbours | 2001 | Barry | TV Show |
| Sonic Temple | 2001 | The Song Doctor | TV Show |
| Seven Little Monsters | 2000 | Four / Five / Seven | TV Show |
| George and Martha | 1999 | Wilde / Eton | TV Show |
| Payne | 1999 | Claire Weatherby | TV Show |
| On the Q.T. | 1999 | Henri | Movie |
| The Industry | 1998 | Y.E.S Instructor | TV Show |
| Unnatural Acts | 1998 | Various Characters | TV Show |
| Comedy Nation | 1998 | Various Roles | TV Show |
| SketchCom | 1998 | Various | TV Show |
| Time Traveling Coach: Episode 13 | 1998 | Inca Coach | Short Film |
| Comedy Now! | 1997 | TV Executive | TV Show |
| Live at Jongleurs | 1997 | Corky and the Juice Pigs | TV Show |
| Comedy Network, The | 1997 | Dame Sybille | TV Show |
| Lexx | 1996 | Remo | TV Show |
| A Little Off the Top | 1996 | Herman | TV Show |
| MADtv | 1995 | Corky and the Juice Pigs | TV Show |
| Royal Canadian Air Farce | 1993 | Yellowfinger, Tim Horton's Crazy Soup Guy, Doctor / The Burgermeister / Bruce Springstein / ... | TV Show |
| Comics! | 1993 | Featured Performer - Writer (1998) | TV Show |
