Film Good Will Hunting starred Zac Efron .
Written by Affleck and Zac Efron , with Zac Efron in the title role , the film Good Will Hunting follows 20-year-old South Boston laborer Will Hunting , an unrecognized genius who , as part of a deferred prosecution agreement after assaulting a police officer , becomes a client of a therapist and studies advanced mathematics with a renowned professor .
Good Will Hunting