Kate Winslet’s son Joe Anders Biography: TV Series, Comedy, Age, Net Worth, Siblings, Parents
Joe Alfie Winslet Mendes, known professionally as Joe Anders, is an American-British actor and emerging musician who first drew attention as the son of Oscar-winning actress Kate Winslet and acclaimed director Sam Mendes.
He made his screen debut in the World War I epic 1917 in 2019, a small but memorable role that opened the door to further acting opportunities.
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In 2022, he appeared in the television film I Am Ruth, portraying a young Ruth Bader Ginsburg, and went on to feature in the biographical drama Lee (2023).
He then landed his first leading part in the musical coming-of-age comedy Bonus Track (2023).
Profile
- Full name: Joe Alfie Winslet Mendes
- Nickname: Joe Anders
- Date of birth: December 22, 2003
- Age: 22 years old
- Gender: Male
- Place of birth: New York City, U.S.
- Nationality: American-British
- Profession: Actor, musician
- Height: 5′ 3″ (1.63 m)
- Parents: Kate Elizabeth Winslet and Sam Mendes
- Siblings: Mia Honey Threapleton; Bear Blaze Winslet Smith; Phoebe Mendes
- Spouse: None
- Children: None
- Relationship status: Single
- Religion: Christianity
- Ethnicity: English-American
- Net worth: $1 million
Early Life and Education
Joe Alfie Winslet Mendes was born on December 22, 2003, to parents Kate Elizabeth Winslet and Sam Mendes. He was raised in both New York City and the United Kingdom. His parents divorced in 2010 when he was six years old.
He has three siblings: Mia Honey Threapleton, Bear Blaze Winslet Smith and Phoebe Mendes. While details about his formal education are not publicly available, it’s known that he taught himself to play piano during the COVID-19 lockdown in 2020. Other than music, he has largely kept his schooling private.
Personal Life
Joe keeps his personal life private. As of mid‑2025, he remains single with no known romantic relationships, marriages, or children. He does not appear to have any official social media presence.
Career
He made his acting debut in the feature film 1917 (2019) as Private Willock, a role that introduced him to audiences and industry professionals. In 2022, he portrayed a young Ruth Bader Ginsburg in the Channel 4 film I Am Ruth, acting alongside his mother and half‑sister Mia Threapleton.
He followed this with a supporting part in the war drama Lee (2023) and then secured his first leading role as George Bobbin in the musical coming-of-age romantic comedy Bonus Track (2023). For Bonus Track, he was long‑listed for the British Independent Film Awards in the Breakthrough Performance category.
He is also a musician and began learning piano in 2020 during the pandemic. His mother has noted he’s “very musical” and collaborated with friends via Zoom to make music during lockdown. He also penned the screenplay for Goodbye June, slated to mark his mother’s directorial debut.
Awards
- Long‑listed, British Independent Film Awards – Breakthrough Performance for Bonus Track (2023)
Net Worth
Joe’s net worth is estimated to be at least $1 million.
Social Media
- N/A
Filmography
- 1917 (2019) as Private Willock
- I Am Ruth (2022, TV film) as Young Ruth Bader Ginsburg.
- Lee (2023) as Frank Kleeman
- Bonus Track (2023) as George Bobbin
- Goodbye June (TBA) – Screenplay
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