Brandon Williams/WireImage Pat Finn’s cause of death has been revealed two weeks after the actor’s death on December 22, 2025. According to his official death certificate, he died of bladder cancer. The document, obtained by People , said that Finn had been living with the diagnosis for “years.” He died at his home in Los Angeles, surrounded by family, according to TMZ . Finn appeared in several iconic 2000s shows, including Friends , Curb Your Enthusiasm , Seinfeld , and According to Jim . He played neighbor Bill Norwood in the ABC sitcom The Middle from 2011 to 2018. Finn is survived by his wife Donna, whom he was married to for 35 years, and their three children. “He was the kindest, most joyful person in any room and was surrounded by his incredibly close and loving family and friends,” his family said in a statement. “We will all miss his big smile and even bigger heart.” Finn’s daughter, Cassidy, also shared a tribute for her father on Instagram, writing, “Dad… you were and are a role model and an inspiration to everyone you met. I tried to think of a word to describe you, but no word could ever do it justice.” Read it at People Read more at The Daily Beast.