Good Will Hunting Cast
The cast of Good Will Hunting.
Matt Damon
as Will Hunting

Matt Damon portrays Will Hunting, a troubled but brilliant young janitor at MIT with a gift for mathematics.

Robin Williams
as Sean Maguire

Robin Williams plays Sean Maguire, a psychologist and former classmate of Gerald Lambeau, who becomes Will's therapist.

Ben Affleck
as Chuckie Sullivan

Ben Affleck takes on the role of Chuckie Sullivan, Will's best friend and loyal South Boston buddy.

Stellan Skarsgård
as Gerald Lambeau

Stellan Skarsgård portrays Gerald Lambeau, a Fields Medal-winning professor at MIT who discovers Will's talent.

Minnie Driver
as Skylar

Minnie Driver plays Skylar, a Harvard student who enters a romantic relationship with Will.

Casey Affleck
as Morgan O'Mally

Casey Affleck portrays Morgan O'Mally, one of Will's group of friends in South Boston.

Cole Hauser
as Billy McBride

Cole Hauser plays Billy McBride, another friend of Will's from South Boston.

Vik Sahay
as MIT Student

Vik Sahay appears as an MIT Student who interacts with Will and his friends.

John Mighton
as Tom

John Mighton takes on the role of Tom, one of the professors at MIT.

Rachel Majorowski
as Krystyn

Rachel Majorowski portrays Krystyn, a young woman who catches the attention of Will and his friends.

Colleen McCauley
as Cathy

Colleen McCauley plays Cathy, a member of the Barbershop Quartet.

Matt Mercier
as Barbershop Quartet #1

Matt Mercier appears as a member of the Barbershop Quartet.

Ralph St. George
as Barbershop Quartet #2
Rob Lynds
as Barbershop Quartet #3
Dan Washington
as Barbershop Quartet #4
Alison Folland
as MIT Student
Derrick Bridgeman
as MIT Student
Shannon Egleson
as Girl on Street
Rob Lyons
as Carmine Scarpaglia
Steven Kozlowski
as Carmine Friend #1
Jennifer Deathe
as Lydia
Scott William Winters
as Clark
Philip Williams
as Head Custodian
Patrick O'Donnell
as Assistant Custodian
Kevin Rushton
as Courtroom Guard
Jimmy Flynn
as Judge Malone
Joe Cannon
as Prosecutor
Ann Matacunas
as Court Officer
George Plimpton
as Psychologist
Francesco Clemente
as Hypnotist
Jessica Morton
as Bunker Hill Student
Barna Moricz
as Bunker Hill Student
Libby Geller
as Toy Store Cashier
Chas Lawther
as MIT Professor
Richard Fitzpatrick
as Timmy
Frank Nakashima
as Executive #1
Chris Britton
as Executive #2
David Eisner
as Executive #3
Bruce Hunter
as NSA Agent
Robert Talvano
as NSA Agent #2
James Allodi
as Security Guard
Michael Arthur
as Reunion Guest (uncredited)
Christian Harmony
as Student (uncredited)
Riva Di Paola
as MIT Student (uncredited)
Harmony Korine
as Hervé (uncredited)
Thomas Lundy
as Waiter (uncredited)
Paul McGillicuddy
as Race Track Fan (uncredited)
Daniel Olsen
as MIT Student (uncredited)
Stephen L'Heureux
as Bartender (uncredited)
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