News ‘Dirty Harry’ star Reni Santoni, who played Poppie in ‘Seinfeld,’ has died at 81 August 4, 2020 Bryan Alexander, USA TODAY Comments Off on ‘Dirty Harry’ star Reni Santoni, who played Poppie in ‘Seinfeld,’ has died at 81 Reni Santoni, who partnered with Clint Eastwood in "Dirty Harry" and Sylvester Stallone in "Cobra," has died at 81. He was Poppie in "Seinfeld."