highest rated
acting
- John Candy: I Like Me → Self - Head Writer & Actor, SCTV (archive footage)
- You Had to Be There: How the Toronto Godspell Ignited the Comedy Revolution... → Self (archive footage)
- Ghostbusters: Afterlife → Dr. Egon Spengler (archive footage) (uncredited)
- Belushi → Self (archive footage)
- Cleanin' Up the Town: Remembering Ghostbusters → Self
- The Movies That Made Us (TV) → Dr. Egon Spengler (archive footage)
- Drunk Stoned Brilliant Dead → Self - Actor / Director (archive footage)
- Thank You, Del: The Story of the Del Close Marathon → Self
- Inside Story: National Lampoon's Vacation → Self
- Late Night with Jimmy Fallon (TV) → Self
- Year One → Adam
- Caddyshack: The Inside Story → Himself
- Animal House: The Inside Story → Self
- Knocked Up → Ben's Dad
- Walk Hard: The Dewey Cox Story → L'Chaim
- Students of 'The Graduate' → Self
- Students of 'The Graduate' → Himself
- Second City: First Family of Comedy (TV) → Self
- The Last Kiss → Professor Bowler
- Chicago Filmmakers on the Chicago River → Self
- Orange County → Don Durkett
- I'm with Lucy → Jack
- Groundhog Day: The Weight of Time → Self
- Ghostbusters 1999 → Self
- Caddyshack: The 19th Hole → Self - Director
- The Yearbook: An Animal House Reunion → Self - Writer
- As Good as It Gets → Dr. Bettes
- The Daily Show (TV) → Self
- Love Affair → Sheldon Blumenthal
- Airheads → Chris Moore
- Groundhog Day → Le neurologue
- The Earth Day Special → Elon Spengler
- Ghostbusters II → Dr. Egon Spengler
- Stealing Home → Alan Appleby
- The Best of SCTV
- Baby Boom → Steven Buchner
- Richard Lewis: I'm In Pain → Self
- Ghostbusters → Egon Spengler
- On the Scene with the Ghostbusters
- National Lampoon's Vacation → Car salesman (voice) (uncredited)
- Spacehunter: Adventures in the Forbidden Zone → Voice (Uncredited)
- The Rodney Dangerfield Special: I Can't Take It No More → Self / Various
- Stripes → Russell Ziskey
- Heavy Metal → Zeke (voice)
- Second City Television (TV) → Self - Various Characters