Joe Alfie Winslet Mendes (born December 22, 2003), known professionally as Joe Anders, is an American-British actor, screenwriter and composer. He is the son of actress Kate Winslet and film director Sam Mendes, and the younger half-brother of actress Mia Threapleton. He began his career with a small part in the war drama 1917 (2019), the Channel 4 film I Am Ruth (2022) and the biographical war drama Lee (2023) before starring in the musical coming-of-age romantic comedy Bonus Track (2023). He also wrote the screenplay for the film Goodbye June (2025), his mother's directorial debut.
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Early life
Anders was born Joe Alfie Winslet Mendes in New York City on December 22, 2003, to English actress Kate Winslet and film director Sam Mendes. His parents separated in 2010, when he was six years old, and divorced in 2011. His father identifies as a secular Jew. He has three half-siblings: an older half-sister from his mother's first marriage to painter-filmmaker Jim Threapleton, actress Mia Threapleton (born 2000); a younger half-brother (born 2013) from his mother's third marriage to English businessman Edward Abel Smith; and a younger half-sister (born 2017) from his father's second marriage to English trumpet player Alison Balsom. His stepfather, Edward Abel Smith, is the former head of marketing promotion and astronaut experience at Virgin Galactic and the nephew of the company's co-founder, English business mogul Richard Branson. After marrying Winslet in 2012, Abel Smith became a stay-at-home dad helping her raise her children.
