Domhnall Gleeson
Henry Beard
Neil Casey
Brian McConnachie
Nelson Franklin
P.J. O'Rourke
John Gemberling
John Belushi
Rick Glassman
Harold Ramis
Seth Green
Christopher Guest
Harry Groener
Harry Kenney
Max Greenfield
Chris Miller
Camille Guaty
Alex Garcia-Mata
Thomas Lennon
Michael O'Donoghue
Natasha Lyonne
Anne Beatts
Annette O'Toole
Stephanie Kenney
Emmy Rossum
Kathryn Walker
Finn Wittrock
Tim Matheson
Frank Gingerich
Doug - Age 12
Morgan Gingerich
Doug - Age 12
Ben F. Campbell
Harvard Jester
Rick Overton
First Publisher
Mark Metcalf
Second Publisher
David Krumholtz
Time-Life Publisher
Mitchell Hurwitz
Time-Life Publisher
Michael Colton
Art Director
Michael Sherman
Ed Sullivan
Kerri Kenney
Sullivan Producer
Bob Stephenson
Construction Worker
Liz Femi
Skeptical Black Woman
Chris Redd
Skeptical Black Man
Krister Johnson
Michael Gross
Gregg Turkington
Advertiser
Michael Farrell
Radio Hour Pianist / Premiere Party Pianist
Adam Wade
Radio Hour Drummer / Premiere Party Drummer
Meera Rohit Kumbhani
Elaine
Jherek Bischoff
Lemmings Bass Player
Craig Wedren
Lemmings Piano Player
Sam Mickens
Street Musician
Armen Weitzman
Lorne Michaels
Julian Wass
Premiere Party Guitar Player
Bo Boddie
Premiere Party Guitar Player
Andrew Gray McDonnell
Michael O'Keefe
Erv Dahl
Rodney Dangerfield
Hutch Barbeau
Studio Tour Kid
Melissa Paulo
Room Service Waitress
Lindsey Kraft
Gwyneth Cravens
Christopher Arminio
National Lampoon Staffer (uncredited)
Bambadjan Bamba
Taxi Driver (uncredited)
James Bearb
Doug Niedermeyer (uncredited)
Garrett Boyd
Young Omega Chip Diller (uncredited)
Jack Andrew Cook
Dan Aykroyd (uncredited)
T.C. Daniels
Brian Doyle Murray (uncredited)
Gina Dunlap
Dancer (uncredited)
Paige Flannery
Stoned College Kid (uncredited)
Jake Jacobson
Ted Knight (uncredited)
Allyson Nicole Jones
Student (uncredited)
Sean Leo
Boyscout (uncredited)
Christina Miller
Funeral Guest (uncredited)
Lauryn Morse
Cheerleader Captain (uncredited)
Jeremey Penn
Daniel Kenney (uncredited)
Sandra Rosko
Stoner College Kid (uncredited)
Dallas Ryan
Sound Guy (uncredited)
Paul Rudd
"The Nobody" (uncredited)
David Sampen
Caddyshack Film Crew (uncredited)
Tim Seitter
Kroger (uncredited)
Vivienne Taylor
Toga Waitress (uncredited)