Sean Maguire

饰：罗宾·威廉斯

Will Hunting

饰：马特·达蒙

Morgan O'Mally

饰：卡西·阿弗莱克

Chuckie Sullivan

饰：本·阿弗莱克

Prof. Gerald Lambeau

饰：斯特兰·斯卡斯加德

Billy McBride

饰：科尔·豪瑟

Clark

Skylar

Jerve

Tom

Krystyn

Cathy

Barbershop Quartet#1

Barbershop Quartet#2

Barbershop Quartet#3

Barbershop Quartet#4

M.I.T. Student#1

M.I.T. Student#2

M.I.T. Student#3

Girl on Street

Carmine Scarpaglia

Carmine Friend#1

Lydia

Terry/Head Custodian

Marty/Assistant Custodian

Courtroom Guard

George H. Malone

Prosecutor

Court Officer

Henry Lipkin

Rich

Vinnie

Toy Store Cashier

M.I.T. Professor

Timmy

Executive#1

Executive#2

Executive#3

NSA Agent#1

NSA Agent#2

Security Guard

Chess Game Player

MIT student

Maurine

M.I.T. Student

Waiter

Race Track Fan