Happy birthday! John Simm turns 55 today

The iconic and legendary actor turns 55 on Thursday, Jul. 10, 2025.

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John Simm is celebrating his 55th birthday today. As a number of online tributes attest, he is one of the most acclaimed actors of his generation.

Popular actor John Simm (Mad Dogs, Life on Mars, Doctor Who, ...) has always liked to keep a bit of himself hidden from view. At 55th birthday, he remains a man of many facets.

Simm, a cultural icon

Born John Ronald Simm in Leeds on July 10, 1970, his career spans an arc over many different eras and tastes in English history. Simm's not just a great actor, he's an inspiration, an icon and a successful business man. At this point in his career, there seems to be little John hasn't done.

And we've got a feeling the next 12 months are going to be even bigger and better for John Simm as he promises more to come. After all, he's only 55.

Happy Birthday, John, you're the best!

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