Made network TV debut on "Wanted: The Perfect Guy," an "ABC Afterschool Special"; played Madeline Kahn's son
Played a bartender in the ensemble comedy-drama "200 Cigarettes"
Re-teamed with Gwyneth Paltrow for "Bounce"
Assumed the role of Jack Ryan (previously played by Alec Baldwin and Harrison Ford) in "The Sum of All Fears"
Executive produced horror film "Feast," a result of the third season of the Project Greenlight contest
Played the lead in the John Woo thriller "Paycheck"
Re-teamed with director Kevin Smith for the romantic comedy "Jersey Girl"
TV miniseries debut, "Hands of a Stranger" (NBC)
Appeared in PBS documentary series "The Voyage of the Mimi"
Directed short film "I Murdered My Lesbian Wife, Hung Her on a Meathook and Now I Have a Three-Picture Deal at Disney"
Portrayed the 1950s "Superman" TV star George Reeves in "Hollywoodland"; received a Golden Globe nomination for Best Actor in a Supporting Role
Re-teamed with director Kevin Smith for "Dogma"; also re-teamed with Damon to play a pair of renegade angels
Starred as a lonely guy who rents himself a family for the holidays in the comedy "Surviving Christmas"
With Damon, co-executive produced and acted in "The Third Wheel" (filmed in 1999), scripted by buddy Jay Lacopo
Charmed critics and audiences as a comic book artist who falls for a bisexual woman in Kevin Smith's "Chasing Amy"
Co-starred with Jennifer Lopez in box office flop "Gigli"
Formed Pearl Street Productions with Matt Damon
Played a congressman opposite Russell Crowe in the thriller "State of Play"
Played Jason Bateman's best friend in Mike Judge's "Extract"
With Damon and backed by HBO and Miramax, sponsored Project Greenlight, a screenwriting competition that would result in a produced motion picture
Cast as Matt Murdock/Daredevil in the blockbuster "Daredevil," based on the Marvel comic book character
Co-created (with Sean Bailey) and executive produced (with Matt Damon) short-lived ABC drama "Push, Nevada"
Executive produced and appeared in the HBO series "Project Greenlight" about the script writing contest he co-sponsored
Cast in regular role on the short-lived NBC series "Against the Grain"
Joined ensemble cast of "The Boiler Room," a drama about Wall Street brokers
Made a brief appearance in Kevin Smith's "Jay and Silent Bob Strike Back"; reprised role of Holden from "Chasing Amy" as well as appeared as himself
Served as an executive producer on "Stolen Summer"; winner of the Project Greenlight competition
Played a white-collar corporate employee who loses his job in John Wells' directing debut "The Company Men"
Featured in Terrence Malick's "To the Wonder"
Starred opposite Justin Timberlake in the thriller "Runner Runner."
Executive produced the HBO film "The Leisure Class"
Played leading role in WWII-era drama "Pearl Harbor"
Appeared opposite Gwyneth Paltrow and Joseph Fiennes in the Academy Award-winning "Shakespeare in Love"
Sold his script "Good Will Hunting" to Miramax; co-written with Matt Damon; filmed and released in 1997 with both co-starring
Feature film debut, "School Ties"; also co-starred with childhood pal Matt Damon
Co-starred in the Michael Bay blockbuster "Armageddon"
Directorial and writing debut, the feature adaptation of "Gone, Baby, Gone"; film based on the book by <i>Mystic River</i> author Dennis Lehane and starring his brother Casey Affleck
Directed, wrote, and starred in "The Town," a crime drama based on Chuck Hogan's novel <i>Prince of Thieves</i>
Directed, produced, and co-starred in political thriller "Argo"
Starred in David Fincher's "Gone Girl."
Starred as Batman in "Batman v Superman: Dawn of Justice"
Co-wrote, directed and starred in the Prohibition Era drama "Live by Night"
Reprised the Batman character in DC ensemble film "Justice League"