- Rachel Majorowski - Krystyn
- Colleen McCauley - Cathy
- Matt Mercier - Barbershop Quartet #1
- Ralph St. George - Barbershop Quartet #2
- Rob Lynds - Barbershop Quartet #3
- Dan Washington - Barbershop Quartet #4
- Alison Folland - MIT Student
- Derrick Bridgeman - MIT Student
- Shannon Egleson - Girl on Street
- Rob Lyons - Carmine Scarpaglia
- Steven Kozlowski - Carmine Friend #1
- Scott William Winters - Clark
- Philip Williams - Head Custodian
- Patrick O'Donnell - Assistant Custodian
- Kevin Rushton - Courtroom Guard
- Jimmy Flynn - Judge Malone
- Joe Cannon - Prosecutor
- Ann Matacunas - Court Officer
- George Plimpton - Psychologist
- Francesco Clemente - Hypnotist
- Jessica Morton - Bunker Hill Student
- Barna Moricz - Bunker Hill Student
- Libby Geller - Toy Store Cashier
- Chas Lawther - MIT Professor
- Richard Fitzpatrick - Timmy
- Frank Nakashima - Executive #1
- Chris Britton - Executive #2
- David Eisner - Executive #3
- Bruce Hunter - NSA Agent
- Robert Talvano - NSA Agent #2
- James Allodi - Security Guard
- Michael Arthur - Reunion Guest (uncredited)
- Christian Harmony - Student (uncredited)
- Riva Di Paola - MIT Student (uncredited)
- Thomas Lundy - Waiter (uncredited)
- Paul McGillicuddy - Race Track Fan (uncredited)
- Daniel Olsen - MIT Student (uncredited)
- Gus Van Sant
- Jennifer Deathe
- Matt Damon
- Ben Affleck
- Scott Mosier
- Bob Weinstein
- Kevin Smith
- Billy Hopkins
- Suzanne Smith Crowley
- Harvey Weinstein
- Danny Elfman
- Doc Kane
- Elliott Smith
- Frank Rinella
Capítulo disponible en las siguientes plataformas:
