James Avery -- who starred as Uncle Phil in The Fresh Pince of Bel-Air -- died on Tuesday night.
TMZ reports that he had undergone surgery for an undisclosed condition and took a turn for the worse.
Alfonso Ribiero, who played his son on the show, tweeted, "I'm deeply saddened to say that James Avery has passed away. He was a second father to me. I will miss him greatly."
In addition to Fresh Prince, Avery had guest-starring roles on That '70s Show, CSI, The Closer and Grey's Anatomy. He was 65.