John Belushi
John 'Bluto' Blutarski
Karen Allen
Katy
Tom Hulce
Larry 'Pinto' Kroger
Stephen Furst
Kent 'Flounder' Dorfman
Mark Metcalf
Doug Neidermeyer
Mary Louise Weller
Mandy Pepperidge
Martha Smith
Barbara Sue 'Babs' Jansen
John Vernon
Dean Vernon Wormer
James Daughton
Greg Marmalard
Kevin Bacon
Chip Diller
Tim Matheson
Eric 'Otter' Stratton
Verna Bloom
Marion Wormer
Cesare Danova
Mayor Carmine DePasto
Peter Riegert
Donald 'Boon' Schoenstein
James Widdoes
Robert Hoover
Bruce McGill
Daniel Simpson Day
DeWayne Jessie
Otis Day
Sarah Holcomb
Clorette DePasto
Lisa Baur
Shelly
Donald Sutherland
Dave Jennings
Douglas Kenney
Stork
Chris Miller
Hardbar
Bruce Bonnheim
B.B.
Joshua Daniel
Mothball
Sunny Johnson
Otter's Co-Ed
Stacy Grooman
Sissy
Eliza Roberts
Brunella
Aseneth Jurgenson
Beth
Katherine Denning
Noreen
Raymone Robinson
Mean Dude
Robert Elliott
Meaner Dude
Reginald Farmer
Meanest Dude
Jebidiah R. Dumas
Gigantic Dude
Priscilla Lauris
Dean's Secretary
Rick Eby
Omega
John Freeman
Man On Street
Sean McCartin
Lucky Boy
Helen Vick
Sorority Girl
Rick Greenough
Mongol
Stephen Bishop
Charming Guy with Guitar
John Landis
Cafeteria Dishwasher