Willie Garson's cause of death was pancreatic cancer.
The Sex and the City actor, who recently reprised his role as Stanford Blatch for the upcoming reboot And Just Like That..., passed away on September 21 at the age of 57.
It's not known how long Willie was battling the illness for, but Garson's cause of death was confirmed in an obituary published in the New York Times on Thursday.
RIP: Willie Garson's cause of death was pancreatic cancer, as confirmed by the actor's obituary on Thursday; pictured July 24
'William Garson Paszamant, better known as Willie Garson to his many fans and throughout the entertainment industry, noted actor of stage, film, and television, has died at age 57 at his home in Los Angeles. The cause was pancreatic cancer,' read the star's obituary.
It also included details about what Garson's family would like from fans in his honor.
'In lieu of flowers, the family requests that any donations to be made in his name go to the Alliance for Children's Rights,' penned the grieving family.
The Alliance for Children's Rights aims to 'protect the rights of children in poverty and those overcoming abuse and neglect by delivering free legal services, supportive programs, and systemic solutions.'
RIP: Garson passed away at the age of 57 on Tuesday, September 21. It was confirmed by his 20-year-old son Nathan, who he adopted in 2009; Willie and Nathen pictured in 2019
Iconic role: Garson famously played the role of Stanford 'Stanny' Blatch, who was the male BFF to Sarah's Carrie Bradshaw on the series that spanned from 1998 to 2004. He starred in 27 of the show's 98 episodes; Willie and Sarah pictured in 1998
Willie has been devoted to bettering the lives of children in the United States' foster care system, often holding/participating in fundraisers aimed at aiding adoption efforts.
Garson adopted his only child, son Nathen, in 2009. Nathen, now 20-years-old, confirmed his father's tragic passing via Instagram on Tuesday, September 21.
Nathen penned a heartfelt tribute to his late father on Instagram, which included some of his favorite memories of Garson.
'I love
