John Simm to announce shock retirement from acting?
- By Smith Alexander
- London
- Last updated on

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Sad news for Simm fans. Speculation had been rife that the English actor best known for his roles in Mad Dogs, Life on Mars or Doctor Who, will announce his retirement from acting, at age 55, with immediate effect.
UPDATE 05/12/2025 : This story seems to be false. (read more)
Being an actor isn't fun anymore
“As we get older, there are phases of life that we enter into, and being an actor just isn't fun anymore,” he might have said, says a source who remained anonymous. Other reports hinted that he may branch out into other creative fields he is better at (and more interested in), though they didn't provide any details.
#ThankYouJohn
For a little while on Thursday evening, #ThankYouJohn was a trending hashtag on Twitter. As many fans reminisce and look back on all the unforgettable memories, some may wonder what about now made him make the decision.
“You’ve accomplished everything I ever dreamed of #ThankYouJohn.”
— @DesireePlum, 4 Dec 2025
“Didn't John Simm retire about 3 years ago?”
— @samy2love, 4 Dec 2025
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