Inside Grace star John Simm's home life with famous wife of 20 years

John Simm has established an illustrious career with roles in Life On Mars, Doctor Who and Grace. Celebrated for his work on TV, the 54-year-old shares his love of acting with his wife of almost 20 years, Kate Magowan, who has appeared in Silent Witness, EastEnders and Spotless. Keep reading for all the details...

Who is John Simm's wife Kate Magowan?

Kate Magowan is an English actress and producer. After graduating from The Actors' Institute in Swindon, she landed her first on-screen role in season two of Dream Team (1998) – Sky 1's first original drama series. 

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Making the transition into film, Kate has also starred in 24 Hour Party People (2002),  Kidulthood (2006), Stardust (2007), and 4.3.2.1 (2010). Throughout her career, the 49-year-old has acted alongside her husband, John, on multiple occasions. 

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As well as starring in the films Is Harry On The Boat? (2001) 24 Hour Party People (2002), Devilwood (2006) and Tuesday (2008), both landed roles in the BBC series, Exile, which premiered in 2011. 

John Simms and Kate Magowan's relationship timeline and home life

While the exact details of John and Kate's first meeting have never been revealed, they began their working relationship by acting alongside one another in the 2001 drama, Is Harry On The Boat? Later marrying in April 2004, the couple tied the knot in the Forest of Dean, Gloucestershire. 

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John has always been extremely private about their relationship but in a 2019 interview with The Guardian, the actor was quizzed about his on-stage role as Macbeth, and whether his relationship with Kate bore any similarities to the titular character and his wife, Lady Macbeth. "Only in the fact that he worships her, and she is the glue that holds everything together," John replied. 

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Following their wedding, John and Kate welcomed two children, a son Ryan and a daughter, Mollie. Often posting about their family life on Instagram, back in 2020, Kate revealed that they had relocated from London to Brighton, where Grace is currently filmed. Sharing several photos of their new hometown, she wrote: "Goodbye London, it's been memorable. Hello BRIGHTON!"

In 2022, Kate and John celebrated 22 years together, and the actress marked the anniversary with a sweet post on Instagram. "22 Years My Valentine," she penned alongside a selfie of the couple.