Sharon Stone is mourning a devastating loss in her family. The Oscar-nominated actress announced on May 13, 2026, that her eldest brother, Mike Stone, has died at the age of 74 following a prolonged health battle.
The 68-year-old “Casino” star shared the heartbreaking news in an Instagram post alongside a photograph of her sibling, revealing that Mike had been fighting an extended illness before his passing.
“Mike Stone, my oldest brother,” Sharon wrote in the tribute. “Has passed away. Following an extended illness. We wish him peace.”
Sharon signed the emotional message with her own name and those of her three sons — Roan Joseph Bronstein Stone, 25, Laird Vonne Stone, 21, and Quinn Kelly Stone, 20 — underscoring the family-wide nature of the grief.
Hollywood Friends Rally Around Sharon
As word of Mike’s death spread, Sharon’s friends and former co-stars flooded the comments section with messages of love and sympathy. “Princess Bride” actor Cary Elwes wrote, “Sorry for your loss, Sharon,” while “Younger” star Debi Mazar offered, “My condolences Sharon.”
The outpouring of support reflected the deep respect Sharon commands in Hollywood circles — and the recognition that her family has weathered an extraordinary amount of heartache in recent years.
An Actor Who Shunned the Spotlight
Although Mike Stone followed his famous sister into the film industry, he largely stayed out of the public eye throughout his career. His acting résumé included several notable credits from the 1990s, when Hollywood action and thriller films were enjoying a creative peak.
Mike appeared in the 1996 Arnold Schwarzenegger action vehicle “Eraser” and later worked on the horror film “Malevolence.” But perhaps his most memorable on-screen moment came when he shared the frame with his Oscar-nominated sister.
The siblings appeared together in the 1995 Sam Raimi western “The Quick and the Dead,” a stylized shoot-’em-up that also starred Gene Hackman alongside Sharon. The film has since become a cult favorite among fans of the genre and remains a treasured piece of the Stone family’s shared legacy.
Despite his behind-the-scenes preference, Mike was, by all accounts, a steady presence in his sister’s life — a private counterpoint to her global fame.
A Family Marked by Repeated Tragedy
Mike’s death is only the latest in a string of devastating losses for the Stone family, which also includes Sharon’s younger sister Kelly. In 2023, Sharon publicly mourned the death of her younger brother Patrick Stone, who died of a heart attack at the age of 57.
Patrick’s passing came on the heels of an unimaginable family tragedy. His 11-month-old son, River — whom he shared with wife Tasha Stone — died of organ failure in August 2021. The back-to-back losses left the Stone family reeling and prompted Sharon to speak publicly about the toll of repeated grief.
In a now-deleted Instagram video posted after Patrick’s death, Sharon thanked supporters and acknowledged the family’s pain, noting, “Yes, we’ve had a tremendous amount of loss in these last couple of years, as so many of you also have.” She urged her followers to “continue to be kind,” a refrain she has returned to often in the years since.
Sharon’s Resilience in the Face of Loss
Sharon Stone has long been candid about her own health struggles, including a near-fatal brain hemorrhage she suffered in 2001 that profoundly reshaped her perspective on mortality and family. In recent years, she has channeled much of her energy into painting, philanthropy and advocacy work, while continuing to take on selective acting roles.
Her ability to weather personal hardship has become something of a defining theme in her public life. Friends and fans have repeatedly praised her openness about loss — a quality that has helped countless followers facing their own grief feel less alone.
The actress has not yet announced details about a memorial service for Mike, and the family is expected to grieve privately in the coming days. Given Mike’s lifelong preference for staying out of the spotlight, any public tribute is likely to be modest and family-focused.
For now, Sharon’s brief Instagram message — wishing her brother peace — stands as the family’s official farewell, as first reported on the evening of May 13. It is a quiet sendoff for a man who, despite his Hollywood connections, lived most of his life away from the cameras.
Mike Stone is survived by his sisters Sharon and Kelly, as well as numerous nieces and nephews, including Sharon’s three sons, who joined their mother in publicly bidding farewell to the family’s eldest sibling.
