American actor Stacy Keach, who became internationally famous for his portrayal of private detective Mike Hammer on television while building a distinguished career in theatre and film, has died aged 85. Keach died on Tuesday (10 November) at his home in Magdalenka, Poland, following a long battle with serious heart disease and heart failure, his wife, Malgosia Tomassi Keach, announced.

Keach, regarded as one of America’s most accomplished stage actors and a distinguished interpreter of Shakespeare, had previously suffered a serious cardiac episode in June 2017, when he experienced a heart attack while performing on stage in Chicago.

Stacy Keach, the legendary Prison Break, Mike Hammer and Fat City actor, has died at 85. His wife remembers the beloved husband behind the unforgettable voice, as tributes honour a remarkable career that continued through his final years. https://t.co/vHGr0ILpYB

— MEAWW Entertainment (@meawwofficial) November 11, 2026

The Mike Hammer role that made him famous

Although he worked with leading directors, including John Huston, and took on demanding theatrical roles, Stacy Keach became most closely associated with the tough private detective Mike Hammer, the character created by crime novelist Mickey Spillane.

The television series Mickey Spillane’s Mike Hammer, later renamed The New Mike Hammer, established him as a household name, with Keach bringing his own distinctive personality to the cynical and determined detective.

However, Keach was determined not to become confined to one particular type of role. Throughout his career, he portrayed characters ranging from a drug-using police officer on screen to King Lear on stage, while also serving as narrator of the television programme World’s Most Amazing Videos.

He also appeared as a mentally disturbed colonel in The Ninth Configuration, also known as Twinkle, Twinkle, Killer Kane, starred in the television series Titus and appeared in Alexander Payne’s Oscar-nominated drama Nebraska.

In 2025, he appeared in the film Jay Kelly, playing the embittered father of the character portrayed by George Clooney.

“My goal was to have as much variety as possible in the roles I played. That probably hurt my career,” he told New York magazine in 2012.

“My choices came at a price. But I had the opportunity to play Hamlet, Richard III and King Lear, and I wouldn’t trade that for anything,” he added.

Stacy Keach was a wonderful actor & played a lot of memorable roles. I will always remember him as Barabbas in Jesus of Nazareth, he played that role so well in a series that featured many great actors and actresses. Will miss his narrations on American Greed too.

— Andrew Collins (@Bandinellosaul) November 11, 2026

From Shakespeare to a Golden Globe for Hemingway

Keach’s artistic career encompassed dozens of productions across film, television and theatre.

He portrayed French painter Julien Mistral in the CBS miniseries Mistral’s Daughter, a Russian prince in the television adaptation of Judith Krantz’s novel Princess Daisy, and Barabbas in Franco Zeffirelli’s Jesus of Nazareth.

He also appeared as Major Jonas Steele in the television series The Blue and the Gray.

Among his most significant honours was a Golden Globe for his portrayal of Ernest Hemingway in a six-hour television miniseries. To prepare for the demanding role, he gained approximately 16 kilograms.

On Broadway, he received a Tony Award nomination for his portrayal of Buffalo Bill in the play Indians, while he also played Edmund in King Lear alongside Lee J. Cobb.

His stage credits also included The Kentucky Cycle in 1993, The Country Wife in 1965 and Other Desert Cities in 2011.

During a theatrical tour of Frost/Nixon, he portrayed former US President Richard Nixon, while he also toured with the play Sleuth, appearing alongside Maxwell Caulfield.

In 2006, he starred in King Lear at Chicago’s Goodman Theatre. He returned to the same theatre in 2017 for Pamplona, a one-man play dedicated to Hemingway, but collapsed on stage after suffering a cardiac episode, forcing the cancellation of the remaining performances.

Stacy Keach is happy that his name is spelled right as his star on the Hollywood Walk of Fame is unveiled https://t.co/dCCjU1yy6Z

— Variety (@Variety) July 31, 2019

Cocaine arrest and six months in prison

One of the most difficult periods of Keach’s life came in 1984, when he was arrested at London’s Heathrow Airport while still starring in the television series Mike Hammer.

British authorities discovered approximately 37 grams of cocaine in his luggage, concealed in various places, including a shaving foam container. His secretary was also arrested.

The actor, then aged 44, was sentenced to nine months in prison, a development that threatened to derail his career.

“When I heard my sentence, nine months in prison, I felt as though someone had kicked me in the genitals wearing shoes with lead spikes,” he wrote in his autobiography, All in All: An Actor’s Life On and Off the Stage, published in 2013.

“It was the worst moment of my life,” he acknowledged.

He was taken to prison in handcuffs and placed in a cell which, according to his description, was the size of a cupboard. His toilet consisted of an orange plastic bucket.

Before being taken to his cell, a prison officer asked him to autograph a copy of The Blue and the Gray.

The authorities placed him in the medium-security Reading Prison, believing that a lower-security institution would make it easier for journalists to gain access to the famous inmate.

He was eventually released after serving six months.

Letters from Hollywood stars and his battle with addiction

In his autobiography, Keach revealed that during his imprisonment he received heartfelt letters from famous fellow actors, including Gregory Peck, Burt Reynolds, Roger Moore and Al Pacino.

While in prison, he was also given responsibility for selecting a film to be screened for inmates on one Sunday each month. On one occasion, he chose his own film, The Long Riders.

Describing the experience, he said: “It was very lonely, very depressing, very sad. I spent a lot of time trying to reassess my own stupidity.”

Following his release, the actor spoke openly about his cocaine addiction, which, as he revealed, had begun in the mid-1970s.

He narrated the television documentary High on the Job and testified before a committee of the US House of Representatives, describing the consequences of addiction.

“There is no greater prison than having your very existence depend on a chemical substance,” he said during his testimony.

He subsequently drew on his own experiences to educate young people about the dangers of drugs, giving talks at universities and rehabilitation centres.

The wife he met on set and his family

Polish actress Malgosia Tomassi, whom Keach met when she appeared in the television series Mike Hammer, played an important role in his life.

Keach recalled that during his imprisonment, he treasured her photographs and letters, which helped him endure the difficult conditions of his incarceration.

The couple married, with Malgosia becoming his fourth wife.

The American actor spent the final years of his life in Poland, where he died on 10 November 2026.

He is survived by his wife, Malgosia Tomassi Keach, and his two children, Shannon and Karolina.