Casey Affleck Describes Significance of Longtime Friends Like Matt Damon: 'Bread of Life's Leaven' (Exclusive)

Mar. 15, 2025

Casey Affleck during the Center at West Park’s 2nd Annual Fall Benefit in New York City on Nov. 14, 2024; Matt Damon in New York City on Sept. 19, 2024.Photo:Jason Mendez/Getty; Kevin Mazur/Getty

Casey Affleck attends The Center At West Park’s 2nd Annual Fall Benefit; Matt Damon attends Stella Artois Let’s Do Dinner

Jason Mendez/Getty; Kevin Mazur/Getty

Casey Affleckis reflecting on his bond with longtime friends likeMatt Damon.

The 49-year-old actor spoke with PEOPLE during theCenter at West Park’s 2nd Annual Fall Benefit in New York City on Thursday, Nov. 14, where he was asked about the significance ofhis friendship with Damon, who was an honorary chair at the evening’s event.

“Someone said old friends are the bread of life’s leaven,” Casey tells PEOPLE. “The older I get, the more that means to me.”

“People you’ve known for a long time become more and more important the older you get, and they are for me for sure,” he continues.

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Matt Damon and Casey Affleck in Santa Monica, California, on Dec. 11, 2016.Kevin Mazur/WireImage

Matt Damon (L) and Casey Affleck attend The 22nd Annual Critics' Choice Awards

Kevin Mazur/WireImage

“Arts, they entertain us and they keep culture going, and the arts are the mirror that we look into when we want to understand who we are and what we’re doing,” Casey adds.

Casey and Damon, 54, have been friends for more than four decades, along with Casey’s older brotherBen Affleck. The trio have collaborated numerous times, including on 1997’sGood Will Huntingand, more recently, this year’sThe Instigators.

“We have this 43-year shared history,” Damon told PEOPLE in August of his longtime bond with the Affleck brothers. “We grew up together.”

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From L: Matt Damon, Casey Affleck and Ben Affleck in Beverly Hills, California, on Nov. 14, 2016.Todd Williamson/Getty

Matt Damon, Ben Affleck, and Casey Affleck at the “Manchester By The Sea” Los Angeles Premiere on November 14, 2016 in Beverly Hills, California.

Todd Williamson/Getty

The Boston natives’“shared experience and relationship and trust and love,”as Damon put it, is what makes collaborating such a natural process.

“There’s an underlying understanding of who we are,” he told PEOPLE, adding, “In our business, there’s a whole language that gets created around trying to protect people’s feelings because people’s egos are involved."

He also said that he and Casey “don’t waste any time on diplomacy, which I love.”

Damon’s memories of pursuing Hollywood dreams alongside Casey and Ben, 52, in the years leading up to theOscar-winning success ofGood Will Huntingincluded not being “afraid to be vulnerable with each other as young men” in Boston.

As he recalled to PEOPLE, “Part of being an actor and putting yourself in those positions and getting rejected constantly — knowing that somebody else is living that same life and making those same sacrifices, that shared sense of experience, that’s why we would clump up and hang out together and talk about it.”

source: people.com