American actor Stacy Keach, best known for playing private detective Mike Hammer and appearing in Prison Break, died on November 10, 2026, at the age of 85. He died at his home in Magdalenka, Poland, following a prolonged battle with a serious heart condition and heart failure, his wife, Malgosia Tomassi Keach, confirmed.
Keach spent more than six decades working in film, television and theater. His career included a Golden Globe-winning performance as Ernest Hemingway, major Shakespearean roles and appearances in films including Fat City, American History X and Nebraska.
Stacy Keach’s Wife Confirms His Passing
Keach’s wife, Malgosia Tomassi Keach, confirmed that the actor had been dealing with serious health problems before his passing.
“Stacy was not only a legendary actor, admired and loved by audiences the world over, but also my beloved husband, my companion and the heart of our family. His passing leaves an immeasurable emptiness in our lives. But his extraordinary spirit, his unforgettable voice and the love he gave so generously will remain with us forever,” she said in a statement.
The actor had previously experienced significant health complications. In June 2017, he became ill while performing in Pamplona, a one-man stage production about Ernest Hemingway at Chicago’s Goodman Theatre. The production was canceled before he returned to the role in 2018.
His Career as Mike Hammer and Ernest Hemingway
Born Walter Stacy Keach Jr. on June 2, 1941, in Savannah, Georgia, Keach grew up in a family connected to the entertainment industry. His father, Stacy Keach Sr., worked as an actor and director, while his younger brother, James Keach, also pursued acting and filmmaking.
Keach studied at the University of California, Berkeley, and Yale School of Drama before continuing his training at the London Academy of Music and Dramatic Art as a Fulbright scholar.
He became widely recognized for portraying Mickey Spillane’s fictional detective Mike Hammer in the 1980s television series Mickey Spillane’s Mike Hammer. He later returned to the character in additional television productions.
In 1988, Keach portrayed novelist Ernest Hemingway in the television miniseries Hemingway. The performance earned him a Golden Globe Award and a Primetime Emmy nomination.
His other television credits included Titus, Prison Break, Two and a Half Men and Man with a Plan. He also served as the narrator of CNBC’s documentary series American Greed.
Theater Achievements and Later Film Roles
Alongside his screen career, Keach remained active in classical theater. He performed Shakespearean characters including Hamlet, Macbeth, King Lear and Richard III.
He received a Tony Award nomination for his portrayal of Buffalo Bill in the Broadway production Indians. In 2015, he was inducted into the American Theatre Hall of Fame in recognition of his stage career.
His film appearances included The Long Riders, The Bourne Legacy and Nebraska. He also appeared in Noah Baumbach’s 2025 film Jay Kelly, playing the father of George Clooney’s character.
Keach received a star on the Hollywood Walk of Fame in 2019.
Personal Life, Family and Survivors
Keach married Polish actress Malgosia Tomassi in June 1986 after meeting her through his work on Mike Hammer. The marriage was his fourth, following earlier marriages to Kathryn Baker, Marilyn Aiken and Jill Donahue.
The couple had two children, Shannon and Karolina. Keach also became a Polish citizen in 2015 and maintained close ties to Poland.
His career included a difficult period following his 1984 arrest at London’s Heathrow Airport on cocaine-related charges. He served six months in prison before returning to acting and later discussed his addiction publicly.
Keach is survived by his wife, Malgosia Tomassi Keach, their two children, Shannon and Karolina, and his brother, James Keach. As of November 11, 2026, the family had not publicly announced funeral or memorial arrangements.
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