People News 'The Young and the Restless' star Kristoff St. John dead at 52 02/04/2019 "The Young and the Restless" star Kristoff St. John has died at age 52. Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: Kristoff St. John Yvette Nicole Brown The Young and the Restless