Jonathan Gregory Brandis was an American actor. Beginning his career as a child model, Brandis moved on to acting in commercials and subsequently won television and film roles. Brandis made his acting debut in 1982 as Kevin Buchanan on the soap opera One Life to Live. In 1990, he portrayed Bill Denbrough in the television miniseries It, and starred as Bastian Bux in The NeverEnding Story II: The Next Chapter. In 1993, at the age of 17, he was cast in the role of teen prodigy Lucas Wolenczak on the NBC series seaQuest DSV. The character was popular among teenage viewers, and Brandis regularly appeared in teen magazines. He died by suicide in 2003.

William "Bill" Denbrough is a fictional character created by Stephen King and the main protagonist of his 1986 novel It. The character is considered to be the leader of "The Losers Club" and initiates finding and killing Pennywise the Dancing Clown after his younger brother Georgie is killed by the clown. The character was first portrayed in the 1990 TV mini-series by the late Jonathan Brandis as a child, and by Richard Thomas as an adult. In the 2017 adaptation and its 2019 sequel, the character was portrayed by Jaeden Martell as a child and James McAvoy as an adult.