Born in New York City in 1966 to a pair of working actors, Kristoff St. John followed in his parents' footsteps early in his life, landing one-off roles on a variety of television shows before becoming a teenager. In addition to appearances on Happy Days, Hangin' with Mr. Cooper, and Wonder Woman, the young thespian appeared on the big screen in the remake of The Champ. After working steadily throughout the 1980s on the small screen, St. John landed the role of Neil Winters on The Young and the Restless, a part that garnered him multiple Daytime Emmy nominations and other industry accolades. He went on to appear in Carpool Guy and Spiritual Warriors.St. John has also acted as the host for the Kick Butt exercise video series.