Clarence Williams III, actor in "The Mod Squad" and countless TV shows, has died at 81 June 6, 2021 / 8:43 PM / AP Clarence Williams III, who played the cool undercover cop Linc Hayes on the counterculture series "The Mod Squad" and Prince's father in "Purple Rain," has died. He was 81. Williams died Friday at his home in Los Angeles after a battle with colon cancer, his manager Allan Mindel said Sunday. Tributes came quickly on social media from both those who worked with Williams and those who admired him for his trailblazing roles and impactful performances. "Tales from the Hood" director Rusty Cundieff tweeted that his sadness over Williams' passing, "cannot be overstated. His artistry and sheer coolness was extraordinary. I will forever be in his debt for his brilliant performance in Tales From the Hood. Loved working with him! Blessed travels good sir!"