They started in the movies in their early 20s, almost at the same time, humbly, as supporting characters, even uncredited roles as extras, but soon their road to stardom forked separately into two highly successful careers. Damon would be starring in the lead in a movie, and Affleck would answer back with his own. Now, in their 40s, they are two of the most popular actors working today.

Argo (2012)
The Town (2010)
Gone Girl (2014)
Shakespeare in Love (1998)
Chasing Amy (1997
State of Play (2009)
Changing Lanes (2002)
Dogma (1999)
Boiler Room (2000)
Batman ?
The Accountant
Saving Private Ryan (1998)
The Departed (2006)
The Bourne Ultimatum (2007)
The Martian (2015)
True Grit (2010)
The Bourne Identity (2002)
Ocean's Eleven (2001)
The Bourne Supremacy (2004)
Ford v Ferrari (2019

Best Ben Affleck Movies
Good Will Hunting (1997)Argo (2012)
The Town (2010)
Gone Girl (2014)
Shakespeare in Love (1998)
Chasing Amy (1997
State of Play (2009)
Changing Lanes (2002)
Dogma (1999)
Boiler Room (2000)
Batman ?
The Accountant
Best Matt Damon Movies
Good Will Hunting (1997)Saving Private Ryan (1998)
The Departed (2006)
The Bourne Ultimatum (2007)
The Martian (2015)
True Grit (2010)
The Bourne Identity (2002)
Ocean's Eleven (2001)
The Bourne Supremacy (2004)
Ford v Ferrari (2019