Gus Van Sant
Director
Matt Damon
Will Hunting
Robin Williams
Sean Maguire
Ben Affleck
Chuckie Sullivan
Stellan Skarsgård
Prof. Gerald Lambeau
Minnie Driver
Skylar
Casey Affleck
Morgan O'Mally
Cole Hauser
Billy McBride
John Mighton
Tom - Lambeau's Teaching Assistant
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
M.I.T. Student #1
Derrick Bridgeman
M.I.T. Student #2
Vik Sahay
Nemesh = M.I.T. Student #3
Shannon Egleson
Girl on Street
Rob Lyons
Carmine Scarpaglia
Steven Kozlowski
Carmine Friend #1
Jennifer Deathe
Lydia
Scott William Winters
Clark
Philip Williams
Head Custodian
Patrick O'Donnell
Assistant Custodian
Kevin Rushton
Courtroom Guard
Jimmy Flynn
Judge George H. Malone
Joe Cannon
Prosecutor
Ann Matacunas
Court Officer
George Plimpton
Henry Lipkin - Psychologist
Francesco Clemente
Rich - Hypnotherapist
Jessica Morton
Maurine - Bunker Hill College Student
Barna Moricz
Vinnie - Bunker Hill College Student
Libby Geller
Toy Store Cashier
Chas Lawther
M.I.T. Professor
Richard Fitzpatrick
Timmy
Frank Nakashima
Executive #1
Chris Britton
Executive #2
David Eisner
Executive #3
Bruce Hunter
NSA Agent #1
Robert Talvano
NSA Agent #2
James Allodi
Security Guard
Michael Arthur
Reunion Guest
Bobby Curcuro
Kent Damon
Chess Game Player
Riva Di Paola
M.I.T. Student
Jed Griswold
MIT Alum
Christian Harmony
Student
Robert Harrell
Race Track Patron
Elisabeth Anne Hughes
Reception Attendant
Harmony Korine
Jerve
Thomas Lundy
Waiter
Paul McGillicuddy
Race Track Fan
Daniel Olsen
MIT Student
Brian Rivers
Harvard Square resident
Stephen Trouskie
Bystander
Jay Yoo
Harvard Student