Edgar Lansbury He died at the age of 94 at his home in Manhattan.
The award-winning producer's son, David, shared that his father had died on Thursday, but the cause of his death has not been revealed.
He broadway The icon often worked with her sister on both stage and screen, including producing the renowned Broadway revival of Gypsy in 1974-1975.
His other theater credits include films such as The Subject Was Roses, starring Martin Sheen, Jack Alberston and Irene Dailey.
The family drama marked Edgar's first Broadway production in 1964 and ran for a sensational two years.
Like many of the plays and musicals that Edgar produced, The Subject Was Roses slipped a Tony Award for Best Play and even a Pulitzer Prize.
Edgar is also credited with bringing the acclaimed musical Godspell off-Broadway in 1971 and to the Broadway stage in 1976, with his producing partner Joseph Beruh.
The producer also worked on several film adaptations of his award-winning stage work, including The Subject Was Roses and Godspell.
Edgar's other notable producing credits include Coronet Blue, Blue Sunshine and CBS' Lennon.
In 2007, he received The Acting Company's John Houseman Award to champion his commitment to developing classical actors and national theater audiences during his four decades in the industry.
His tragic death comes just two years after his famous sister Angela He died in his sleep at his Los Angeles home in 2022.
Edgar's twin brother Bruce Lansbury, who was also a producer, died in 2017 at the age of 87 after a battle with Alzheimer disease.
Numerous tributes have poured in for the late producer, including actress Peggy Gordon, who appeared in Godspell, mourning “our surrogate dad” in Facebook.
She wrote in a tearful message: “Love never dies. It is an energy that only transmutes into matter. That's all of us. So, I think Edgar’s energy continues.”
The producer is survived by his children, David, James, George, Michael, Brian and Kate, as well as his second wife, Louise Peabody, whom he married in 2008.