Doug Kenney
Henry Beard
Modern Doug
Brian McConnachie
Bill Murray
P.J. O'Rourke
John Belushi
Harold Ramis
Christopher Guest
Harry Kenney
Chris Miller
Alex Garcia-Mata
Tom Snyder
Michael O'Donoghue
Brad
Tony Hendra
Anne Beatts
Chevy Chase
Stephanie Kenney
Kathryn Walker
Gilda Radner
Matty Simmons
Tim Matheson
Mary Marshmallow
Doug - Age 12
Interviewer
Harvard Jester
Preppy Student
Peter Ivers
Lucy Fisher
Umpire
First Publisher
Second Publisher
Time-Life Publisher
Art Director
Ed Sullivan
Sullivan Producer
Construction Worker
Waitress
Skeptical Black Woman
Skeptical Black Man
Michael Gross
Advertiser
Radio Hour Pianist / Premiere Party Pianist
Radio Hour Drummer / Premiere Party Drummer
Elaine
Lemmings Bass Player
Lemmings Piano Player
Street Musician
Lorne Michaels
Ivan Reitman
Stephen Furst
John Landis
Premiere Party Guitar Player
Harry Crane
Party Guest
Missy
Michael O'Keefe
Rodney Dangerfield
Paul Shaffer
Tour Guide
Studio Tour Kid
Bartender
Room Service Waitress
Gwyneth Cravens
National Lampoon Staffer (uncredited)
Taxi Driver (uncredited)
Doug Niedermeyer (uncredited)
Young Omega Chip Diller (uncredited)
Dan Aykroyd (uncredited)
Brian Doyle Murray (uncredited)
Dancer (uncredited)
Stoned College Kid (uncredited)
Ted Knight (uncredited)
Student (uncredited)
Boyscout (uncredited)
Funeral Guest (uncredited)
Cheerleader Captain (uncredited)
Daniel Kenney (uncredited)
Stoner College Kid (uncredited)
Sound Guy (uncredited)
"The Nobody" (uncredited)
Caddyshack Film Crew (uncredited)
Kroger (uncredited)
Toga Waitress (uncredited)