Michael J. Fox in "Shrinking."
Celebrity

Michael J. Fox Explains Surprising Return to Acting in 'Shrinking' Amid Parkinson's Struggle

The 'Back to the Future' legend opened up about why he stepped back on set despite script memory struggles.

By Rae MitchellPublished Updated 2 min read

Michael J. Fox is proving that his passion for storytelling cannot be sidelined completely. The legendary *Back to the Future* star recently opened up about what drew him back into the acting world for a guest role on Apple TV+'s hit comedy *Shrinking*, despite previously retiring due to the advancing effects of Parkinson's disease. For years, the iconic actor has been candid about the physical and cognitive challenges of living with the progressive neurological condition, which he was first diagnosed with in 1991. The star had largely stepped away from Hollywood after realizing that memorizing scripts had become increasingly difficult, acknowledging that the grueling demands of traditional television production were no longer realistic for his life. ## Why did Michael J. Fox return to acting in Shrinking? Fox admitted that the days of powering through exhausting 12-hour workdays on set belong in his past. However, the opportunity to make a cameo on *Shrinking* presented a supportive environment that allowed him to step back into the spotlight on terms he could manage comfortably. The high-profile comedy, created by Jason Segel, Brett Goldstein, and Bill Lawrence, provided a flexible workspace tailored to the actor's needs. Rather than taking on a heavy narrative burden, Fox was able to contribute his signature charm to the narrative without facing the immense strain that once pushed him to step back from screen work in 2020. ## How does Parkinson's impact Michael J. Fox's career? Since making his diagnosis public in 1998, Fox has been one of Hollywood's most visible advocates for brain health research. Over the decades, he continued to land memorable roles on series like *The Good Wife* and *Spin City*, often incorporating his diagnosis into his characters or choosing projects that worked around his symptoms. However, when dialogue retention became a significant hurdle, the star famously chose to wind down his acting career to focus on his health and his massive philanthropic foundation. His decision to pop up in *Shrinking* serves as a comforting reminder to fans that while his routine on-set days may be over, his connection to the craft remains deeply alive. The Michael J. Fox Foundation has raised billions of dollars toward finding a cure for Parkinson's disease. Yet, even as a world-renowned advocate and bestselling author, Fox's true roots remain firmly in television and film, making his latest surprise turn on screen all the more special for pop culture lovers.

The photos · 6

Michael J. Fox in "Shrinking."
Fox (pictured in “Shrinking” with Harrison Ford) said the 12-hour workday is behind him.
Fox (picture on July 22, 2026) has battled Parkinson’s since 1991.
Fox (pictured in “Teen Wolf” in 1985) said his “Shrinking” role allows him to use how he feels. ©Atlantic Releasing Corp/Courtesy Everett Collection
Fox (pictured on “Spin City” in 1997) said his short-term memory is “shot.” ©ABC/Courtesy Everett Collection
Fox (pictured in “Back to the Future with Christopher Lloyd in 1985) said he “struggled” to memorize lines in recent jobs. ©Universal/Courtesy Everett Collection

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People also ask

Why did Michael J. Fox stop acting?
Michael J. Fox largely retired from screen acting due to complications from Parkinson's disease, particularly difficulty memorizing script lines and handling intense filming schedules.
What show did Michael J. Fox return to acting in?
Michael J. Fox made a return to screen acting with an appearance on the Apple TV+ comedy series 'Shrinking'.