Happy birthday! John Slattery turns 63 today

The iconic and legendary actor turns 63 on Wednesday, Aug. 13, 2025.

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John Slattery is celebrating his 63rd birthday today. As a number of online tributes attest, he is one of the most acclaimed actors of his generation.

Popular actor-director John Slattery (Spotlight, Mad Men, ...) has always liked to keep a bit of himself hidden from view. At 63rd birthday, he remains a man of many facets.

Slattery, a cultural icon

Born John M. Slattery, Jr. in Boston on August 13, 1962, his career spans an arc over many different eras and tastes in American history. Slattery'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 Slattery as he promises more to come. After all, he's only 63.

Happy Birthday, John, you're the best!

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