Last updated
    Dermot Mulroney

    Dermot Mulroney

    United States flagUnited States
    Celebrity

    actorfilm directormusician

    Birthday

    October 31, 1963

    Birth Sign

    Scorpio

    Birthplace

    Alexandria, Virginia, USA

    Age

    62 years old

    Height

    6 ft (183 cm)

    About

    Dermot Mulroney is an American actor, director, and classically trained cellist. He became a familiar face in 1990s cinema with roles spanning romantic comedies, dramas, and thrillers. Mulroney's biggest commercial success came with My Best Friend's Wedding (1997), which grossed over $299 million worldwide. He has since maintained a steady career in film and television, appearing in About Schmidt (2002), Shameless (2016–2018), and Scream VI (2023). In 2023, he received a star on the Hollywood Walk of Fame. Mulroney continues to work actively, with recent projects including Netflix's The Night Agent Season 2 (2025).

    Early Life & Background

    Dermot Mulroney grew up in a large Irish Catholic family in Alexandria, Virginia. His father, Michael, was a law professor at Villanova University, and his mother, Ellen, was a homemaker. He has three siblings: Conor, Sean, and Moira. The family moved to Santa Ana, California, where Mulroney attended Mater Dei High School. There, he excelled in soccer and considered a professional sports career before turning to acting. He also played the cello from a young age and performed with his siblings in a band called The Mulroney Brothers at local venues.

    After high school, Mulroney studied at Northwestern University in Evanston, Illinois, but left before graduating to pursue acting in Los Angeles. His first film role came in 1988 with Sunset alongside Bruce Willis, followed by a supporting part in the western Young Guns (1988). These early gigs led to his first lead role opposite Jennifer Connelly in the comedy Career Opportunities (1991).

    Career Growth

    Mulroney's breakthrough arrived in the early 1990s. After Career Opportunities (1991), he appeared in Point of No Return (1993), Bad Girls (1994), Copycat (1995), and How to Make an American Quilt (1995). His biggest hit came in 1997 with My Best Friend's Wedding, where he played the groom opposite Julia Roberts. The film became a global phenomenon, grossing over $299 million.

    In the 2000s, Mulroney took on diverse roles in About Schmidt (2002), The Family Stone (2005), and Georgia Rule (2007). He moved into television with recurring roles in Nashville (2012–2013) and Shameless (2016–2018). More recently, he starred in The Thing About Harry (2020), The Resort (2022), and Scream VI (2023). In 2025, he joined the cast of Netflix's The Night Agent Season 2.

    Career Timeline

    1988Film debut in Sunset and Young Guns
    1991Starred in Career Opportunities
    1997Breakthrough role in My Best Friend's Wedding
    2002Role in About Schmidt
    2007Divorced Catherine Keener
    2008Married Tharita Cesaroni
    2012TV role in Nashville
    2016Joined cast of Shameless
    2020Starred in The Thing About Harry
    2023Received star on Hollywood Walk of Fame
    2025Appeared in The Night Agent Season 2

    Public Image & Style

    Mulroney is often described as a versatile character actor with an everyman appeal. His deep voice and calm demeanor make him a recognizable presence in both comedic and dramatic roles. He has a loyal following among romantic comedy enthusiasts, though his fandom is not organized under a specific name. Mulroney maintains a low-key social media presence on Instagram and Twitter, where he shares updates about his projects and family life.

    Fame & Fandom

    Despite a career spanning more than seventy films and a celebrated turn in My Best Friend's Wedding, Dermot Mulroney currently holds no placement in iFANN's published fame rankings. The Global Fame Engine has evaluated his profile, but as of August 2026, he remains unranked in both the Global Top 1,000 and any Top-100 scope list. This absence from the rankings is not a reflection of obscurity; rather, it underscores the diffuse nature of his recognition, which is spread across decades of varied roles rather than concentrated in a single, ranking-driving phenomenon.

    His fanbase, similarly, lacks formal structure. There is no documented fandom name, no organized campaigns, and no shared rituals or inside jokes. His audience is composed largely of admirers of specific projects, devotees of My Best Friend's Wedding, followers of his recent Chicago Fire tenure, rather than a unified community. Mulroney's own engagement with fans is modest, centered on his Instagram account (with roughly 276,000 followers) and the Meet & Greet portal he opens during tours with his band, Jackrabbit. His recent exit from Chicago Fire, which he publicly disclosed was not his choice, generated considerable fan discussion but no organized protest. In essence, Mulroney's fame is that of a respected, working actor, appreciated by many but championed by none in a coordinated way.

    Interesting Facts and Legends

    Mulroney is a classically trained cellist and played cello on the soundtrack for My Best Friend's Wedding. He was a competitive soccer player in high school and briefly considered a professional sports career. He directed the 2018 film The Last Word. Mulroney has a star on the Hollywood Walk of Fame, awarded in 2023. He is known for his deep voice and calm demeanor, often described as an everyman actor.

    Among the stories fans still retell is his role as the "one that got away" in My Best Friend's Wedding, a film that subverted romantic comedy conventions by having the protagonist lose. His performance as Michael O'Neal is considered iconic, and the film's ending remains a cultural touchstone. Another tale from his career is his participation in a Rockford Files reboot, a project largely forgotten by the public but a piece of deep-cut trivia for television history buffs. More recently, his candid public acknowledgment that his departure from Chicago Fire was not his choice became a notable moment of transparency in an industry often guarded about such matters.

    Notable Quotes

    I've always been drawn to characters that are flawed, because that's what makes them real.
    My best friend's wedding was the most fun I've ever had on a film set.

    Family & Personal Life

    Mulroney was born to Ellen, a homemaker, and Michael Mulroney, a law professor at Villanova University. He has three siblings: Conor, Sean, and Moira. He married actress Catherine Keener in 1990; they divorced in 2007 and have one son, Clyde (born 1999). In 2008, he married film producer Tharita Cesaroni. They have two daughters: Mabel Ray (born 2008) and Sally (born 2010). The family lives in Los Angeles.

    Notable Connections

    Mulroney has worked with Julia Roberts on My Best Friend's Wedding, Jennifer Connelly on Career Opportunities, Sigourney Weaver on Copycat, and John Cusack on The Sure Thing. His ex-wife, Catherine Keener, co-starred with him in The Jack Bull.

    Relationships & Dating History

    As of 2026:Marriedto Tharita Cesaroni

    Mulroney married actress Catherine Keener in 1990 after meeting on the set of Survival Quest (1989). They had one son, Clyde, born in 1999. The couple separated in 2005 and divorced amicably in 2007. In 2008, Mulroney married film producer Tharita Cesaroni, whom he met through mutual friends. They have two daughters: Mabel Ray (born 2008) and Sally (born 2010). As of 2026, they remain married.

    • MarriedCatherine Keener1990 - 2007Met on the set of Survival Quest; had one son, Clyde; divorced amicably.
    • MarriedTharita Cesaroni2008 - presentCurrentMet through mutual friends; have two daughters, Mabel Ray and Sally.

    Salary, Net Worth In 2026

    $14 Million

    iFANN Editorial Team estimate

    As of 2026, iFANN's editorial analysis puts Dermot Mulroney's net worth at $14 million. His wealth derives primarily from acting salaries, which at his peak reached $1–2 million per film. Recurring television roles, such as his part in Shameless, and producing credits have also contributed. He owns a home in Los Angeles valued at approximately $2 million. Mulroney has no major endorsement deals or business ventures publicly reported.

    Awards Won (5)

    Mulroney won a Blockbuster Entertainment Award in 1998 for Favorite Supporting Actor in a Comedy/Romance for My Best Friend's Wedding. He also received a ShoWest Convention Award in 1998 for Male Star of Tomorrow.

    1990 · Jury Special Prize

    Bright Angel

    Won

    1992 · Best Actor

    Samantha, Where the Day Takes You

    Won
    View all 8 awards, honours and achievements

    Known For

    My Best Friend's Wedding

    1997 · Michael O'Neal

    Career Opportunities

    1991 · Jim Dodge

    The Family Stone

    2005 · Everett Stone

    About Schmidt

    2002 · Randall Hertzel

    Shameless

    2016 · Sean Pierce

    Keywords

    Dermot MulroneyactorMy Best Friend's WeddingAmerican actorcellist

    Quick Facts

    Profession
    actor, film director, musician
    Born
    October 31, 1963
    Birthplace
    Alexandria, Virginia, USA
    Gender
    Male
    Spouse
    Catherine Keener (m. 1990–2007), Tharita Cesaroni (m. 2008–present)
    Birth Sign
    Scorpio

    Personal Details

    Full Name
    Dermot Patrick Mulroney
    Height
    6 ft (183 cm)
    Spouse
    Catherine Keener (m. 1990–2007), Tharita Cesaroni (m. 2008–present)
    Children
    Clyde Keener Mulroney (son, born 1999), Mabel Ray Mulroney (daughter, born 2008), Sally Mulroney (daughter, born 2010)
    Education
    Attended Northwestern University (left before graduating)

    Filmography

    80

    Total

    60

    Film

    20

    TV

    Frequently Asked Questions

    Is Dermot Mulroney married?
    Yes, Dermot Mulroney has been married to film producer Tharita Cesaroni since 2008. The couple has two daughters together.
    How old is Dermot Mulroney?
    Dermot Mulroney was born on October 31, 1963, making him 62 years old as of 2026.
    What is Dermot Mulroney's net worth?
    As of 2026, Dermot Mulroney's net worth is estimated at $14 million, primarily from his acting career in film and television.
    Does Dermot Mulroney have children?
    Yes, he has three children: a son, Clyde, from his marriage to Catherine Keener, and two daughters, Mabel Ray and Sally, with his current wife Tharita Cesaroni.
    What is Dermot Mulroney best known for?
    Dermot Mulroney is best known for his role as Michael O'Neal in the 1997 romantic comedy My Best Friend's Wedding alongside Julia Roberts.

    Join the community

    fans discussing