As a ten-year-old child, St. John had a featuring role on the Saturday-morning comedy
Big John, Little John, broadcast on NBC in 1976. St. John portrayed a young
Alex Haley in the 1979
ABC miniseries
Roots: The Next Generations. He also made a small appearance as Booker Brown on the ABC sitcom
Happy Days, no African American actor had appeared on the series more frequently than St. John. In 1992, he won the
Daytime Emmy Award for
Outstanding Younger Actor in a Drama Series for his role. On September 5, 1994, he hosted
CBS Soap Break. In 2005, St. John became a special host for
TV Guide Channel. In 2007, he received his fifth Daytime Emmy nomination. He was nominated for Outstanding Supporting Actor. In 2008, St. John won his second Daytime Emmy, as Outstanding Supporting Actor in a Drama Series. In 2014,
A Man Called God, a documentary that St. John co-directed with his father
Christopher St. John, debuted at the San Diego Black Film Festival. The film was awarded there, and at other festivals such as the American Documentary Film Festival, and the Beverly Hills Film Festival. Kristoff's final appearance as Neil aired on February 6, 2019. Late in April, it was revealed that Neil had died of a
stroke. == Personal life ==