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    Casey Affleck

    Casey Affleck

    United States flagUnited States
    Celebrity

    Actorscreenwriterproducer

    Birthday

    August 12, 1975

    Birth Sign

    Leo

    Birthplace

    Falmouth, Massachusetts, USA

    Age

    51 years old

    About

    Casey Affleck is an American actor, screenwriter, and producer known for his intense, naturalistic performances in independent cinema. He won the Academy Award for Best Actor for his role as a grieving janitor in Manchester by the Sea (2016), and earned an Oscar nomination for Best Supporting Actor for The Assassination of Jesse James by the Coward Robert Ford (2007). With a career spanning over three decades, he has built a reputation for choosing challenging, character-driven roles, often working with acclaimed directors like Gus Van Sant, Steven Soderbergh, and Christopher Nolan. As of 2026, he continues to act and direct, with recent appearances in Oppenheimer (2023) and Slingshot (2024).

    Early Life & Background

    Casey Affleck grew up in Cambridge, Massachusetts, the younger son of Christine Anne Boldt, an elementary school teacher, and Timothy Byers Affleck, who worked as an auto mechanic, carpenter, and bookie. He and his brother Ben were raised in a politically active household, attending anti-war protests as children. Casey began acting at age 10, appearing in the PBS television film Lemon Sky (1988) and as a young Bobby Kennedy in the miniseries The Kennedys of Massachusetts (1990). He and Ben worked as extras in TV commercials to earn pocket money.

    After graduating from high school in 1993, Casey moved to Los Angeles, living with Ben and childhood friend Matt Damon. He auditioned unsuccessfully for sitcom roles, but his first big break came when Damon recommended him for a supporting role in Gus Van Sant's To Die For (1995). Following that film, he briefly studied politics at George Washington University before transferring to Columbia University in New York, where he studied physics and astronomy for two years. Acting opportunities kept pulling him away, and he left Columbia without a degree to pursue his career full-time.

    Career Growth

    Casey Affleck's breakthrough came in 2007 with two standout roles. He played the shy, conflicted Robert Ford in The Assassination of Jesse James by the Coward Robert Ford, earning an Academy Award nomination for Best Supporting Actor. That same year, he starred as private detective Patrick Kenzie in his brother Ben's directorial debut, Gone Baby Gone. He had already appeared as a member of the heist crew in Steven Soderbergh's Ocean's Eleven (2001), Ocean's Twelve (2004), and Ocean's Thirteen (2007).

    In 2010, Affleck co-wrote, directed, and starred in the controversial mockumentary I'm Still Here, following Joaquin Phoenix's supposed retirement from acting. He continued to take on challenging roles in films like Ain't Them Bodies Saints (2013) and Christopher Nolan's Interstellar (2014). His performance in Kenneth Lonergan's Manchester by the Sea (2016) as a man grappling with unspeakable loss won him the Academy Award for Best Actor, along with a BAFTA and a Golden Globe. He later starred in A Ghost Story (2017), The Old Man & the Gun (2018), and played Boris Pash in Christopher Nolan's Oppenheimer (2023), his highest-grossing film. In 2024, he starred in the science fiction thriller Slingshot.

    Career Timeline

    1988First significant TV appearance in PBS film 'Lemon Sky'
    1995Film debut in Gus Van Sant's 'To Die For'
    1997Appears in 'Good Will Hunting'
    2001Cast in 'Ocean's Eleven'
    2007Breakthrough with 'The Assassination of Jesse James by the Coward Robert Ford' and 'Gone Baby Gone'
    2010Directorial debut with 'I'm Still Here'
    2016Stars in 'Manchester by the Sea'
    2017Wins Academy Award for Best Actor
    2023Stars in 'Oppenheimer'
    2024Stars in 'Slingshot'

    Public Image & Style

    Casey Affleck is known for his intense, naturalistic acting style and his preference for independent, character-driven films. He is often described by critics as a versatile and compelling performer who brings depth to every role. Fans appreciate his low-key, thoughtful public persona and his willingness to take creative risks, such as directing the unconventional I'm Still Here. He maintains a relatively private life, eschewing the Hollywood spotlight that often follows his brother Ben. His social media presence is minimal, with a quiet Instagram account that occasionally shares personal and professional updates.

    Fame & Fandom

    Casey Affleck has not cracked iFANN's published rankings as of August 2026. The Global Fame Engine has evaluated him, but he holds no placement in the Global Top 1,000 or any Top-100 scope list. That puts him in the company of many respected actors whose fame is real but not chart-topping, his name doesn't move the needle in the way that generates a ranking, even if cinephiles hold him in high regard.

    His fanbase is equally under-the-radar. There's no formal fandom name, no 'Affleck Army' or 'Casey Crew', and no organized campaigns, billboards, or streaming pushes. Instead, his admirers are spread thin across Letterboxd and Rotten Tomatoes, quietly cataloging his collaborations with David Lowery or rewatching Gone Baby Gone. He keeps an Instagram account with around 80,000 followers but has never posted, so there's no direct line to fans. The community that exists is built on the work, not the persona, a diffuse appreciation for an actor who chooses indie dramas over blockbusters.

    Interesting Facts and Legends

    Casey Affleck's maternal great-great-grandfather, Heinrich Boldt, discovered the Curmsun Disc, a Viking-era artifact. Early in his career, he worked as a busboy in Los Angeles. He was two years into a physics and astronomy degree before acting pulled him back. While auditioning for Manchester by the Sea, he faced many rejections but persisted. He and Ben are the first brothers to both win Academy Awards for acting, Ben for Argo as producer, Casey for Manchester by the Sea.

    One of the most retold stories from his career is the Joaquin Phoenix 'retirement' hoax. In 2010, Affleck directed I'm Still Here, a mockumentary that purported to show Phoenix quitting acting to pursue rap. The film's stunts, including Phoenix's famously incoherent appearance on The Late Show with David Letterman, fooled much of the public. The film later revealed itself as staged, and the Letterman clip remains a viral moment.

    His Oscar win in 2017 for Manchester by the Sea also became a cultural flashpoint. Presenter Brie Larson, a vocal advocate for sexual assault survivors, notably did not applaud when announcing his name, a moment widely analyzed as a pointed statement given the 2010 settlements. It's a story fans still discuss when debating how awards and allegations intersect.

    Notable Quotes

    You can't listen so much to other people telling you what you should do can do and what you can't do. You kind of have to listen to yourself and know that you're going to have to live with that career that you build.

    Family & Personal Life

    Casey Affleck was born to Christine Anne Boldt, a Radcliffe- and Harvard-educated elementary school teacher, and Timothy Byers Affleck, who worked as an auto mechanic, carpenter, bookie, and actor. He has an older brother, actor and filmmaker Ben Affleck. The family lived in Cambridge, Massachusetts, and the boys were raised with a strong emphasis on education and social activism. Casey has two sons with his ex-wife, actress Summer Phoenix: Indiana August (born 2004) and Atticus (born 2008). He currently splits his time between Los Angeles and Massachusetts.

    Notable Connections

    Casey Affleck has frequently collaborated with his older brother Ben Affleck, starring in Ben's directorial debut Gone Baby Gone and appearing together in Good Will Hunting. He is close friends with Matt Damon, who recommended him for his first film role. He has worked multiple times with director Gus Van Sant (To Die For, Good Will Hunting, Gerry) and Steven Soderbergh (the Ocean's trilogy). His ex-wife, Summer Phoenix, is the sister of actor Joaquin Phoenix, with whom Casey co-starred in To Die For and later directed in I'm Still Here.

    Relationships & Dating History

    As of 2026:Single

    Casey Affleck met actress Summer Phoenix, sister of Joaquin Phoenix, on the set of To Die For in 1995. They began a long-term relationship and married on June 3, 2006. The couple had two sons: Indiana August (born 2004) and Atticus (born 2008). Summer Phoenix filed for divorce in 2016, citing irreconcilable differences, and the divorce was finalized on September 15, 2017. Since then, Affleck has kept his romantic life private, and as of 2026, he is not publicly known to be in a relationship and is considered single.

    • MarriedSummer Phoenix1995 - 2017Met on set of 'To Die For'; married 2006-2017; two sons.

    Salary, Net Worth In 2026

    $80 Million

    iFANN Editorial Team estimate

    As of 2026, iFANN's editorial analysis estimates Casey Affleck's net worth at $80 million. The bulk of his wealth comes from his acting career, with major paydays from Manchester by the Sea, Oppenheimer, and the Ocean's trilogy. He also earns from directing fees, producing credits, and endorsements. His net worth has climbed steadily over the past decade, particularly after his Oscar win. He owns a home in Los Angeles and has invested in real estate and other ventures.

    Awards Won (25)

    Casey Affleck has won the Academy Award for Best Actor for Manchester by the Sea (2017), along with a BAFTA and a Golden Globe for the same role. He was also nominated for an Academy Award for Best Supporting Actor for The Assassination of Jesse James by the Coward Robert Ford (2007). His awards reflect his reputation for powerful, emotionally resonant performances.

    2017 · Best Actor

    Manchester by the Sea

    Won

    2017 · Best Actor in a Motion Picture – Drama

    Manchester by the Sea

    Won
    View all 25 awards, honours and achievements

    Known For

    Manchester by the Sea

    2016 · Lee Chandler

    The Assassination of Jesse James by the Coward Robert Ford

    2007 · Robert Ford

    Gone Baby Gone

    2007 · Patrick Kenzie

    Oppenheimer

    2023 · Boris Pash

    Ocean's Eleven

    2001 · Virgil Malloy

    Keywords

    Casey AffleckactorManchester by the SeaOppenheimerBen Affleck

    Sources

    Quick Facts

    Profession
    Actor, screenwriter, producer
    Born
    August 12, 1975
    Birthplace
    Falmouth, Massachusetts, USA
    Gender
    Male
    Spouse
    Summer Phoenix (m. 2006–2017)
    Birth Sign
    Leo

    Personal Details

    Full Name
    Caleb Casey McGuire Affleck-Boldt
    Spouse
    Summer Phoenix
    Children
    Two sons: Indiana August (born 2004) and Atticus (born 2008)
    Education
    Attended George Washington University and Columbia University, no degree

    Filmography

    45

    Total

    40

    Film

    5

    TV

    Frequently Asked Questions

    How old is Casey Affleck?
    Casey Affleck was born on August 12, 1975, making him 51 years old as of 2026.
    What is Casey Affleck's net worth in 2026?
    Casey Affleck's net worth is estimated at $80 million as of 2026, primarily from his acting, directing, and producing work.
    Is Casey Affleck still acting?
    Yes, Casey Affleck is still active. He recently starred in 'Slingshot' (2024) and continues to take on film roles.
    Who is Casey Affleck related to?
    Casey Affleck is the younger brother of actor and filmmaker Ben Affleck. He is also the former brother-in-law of actor Joaquin Phoenix.
    Does Casey Affleck have children?
    Yes, Casey Affleck has two sons, Indiana August (born 2004) and Atticus (born 2008), with his ex-wife Summer Phoenix.

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