The actor appears alongside Harrison Ford in a scene set in a doctor’s office.

Michael J. Fox returns to acting, jokes about Parkinson’s in Shrinking season 3 trailer

The actor appears alongside Harrison Ford in a scene set in a doctor's office.

By Nick Romano

Nick Romano is a senior editor at ** with 15 years of journalism experience covering entertainment. His work previously appeared in *Vanity Fair*, Vulture, IGN, and more.

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December 30, 2025 11:09 a.m. ET

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Michael J. Fox in 'Shrinking' season 3. Credit:

With the new *Shrinking* season 3 trailer comes our first look at Michael J. Fox's return to acting.

It was announced in May that the beloved *Back to the Future* star would appear in an undisclosed guest-star capacity on the Apple TV dramedy. Details on his role are still largely under wraps, but the footage shows him playing a character with Parkinson's disease, the same condition Fox has been battling for years.

Fox appears in a scene with Harrison Ford, who plays Dr. Paul Rhoades, a therapist at the Cognitive Behavioral Therapy Center who also suffers from Parkinson's. The two sit in the waiting area of a doctor's office and make light of their common situations.

The show marks the first live-action onscreen acting appearance by Fox since his retirement in 2020. Though, he clarified to *Entertainment Tonight* in 2024, "If someone offers me a part and I do it and I have a good time, great. I would do acting if something came up that I could put my realities into it, my challenges, if I could figure it out."

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Though he wasn't seen in the film, he voiced the role of Michael J. the Fox in Disney's animated *Zootopia 2*, which premiered last month. Fox also voiced a role in the 2021 animated short *Back Home Again* and appeared as the subject of 2023 documentary *Still: A Michael J. Fox Movie*.

Jeff Daniels is another new addition to the *Shrinking* cast in season 3, which brings back guest stars Brett Goldstein, Damon Wayans Jr., Wendie Malick, and Cobie Smulders. Starring Jason Segel as a therapist dealing with grief, the show returns to Apple TV on Jan. 28 with an hourlong season premiere. A weekly release will follow with the finale set for April 28.

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Watch the trailer above.

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