Bialik's co-host, Ken Jennings, is a 'Jeopardy!' LEGEND. 😎

Check out more celebrity profiles of Rising Stars and superstars like Wilmer Valderrama, Jesse Plemons or Robert Sheehan. Find fun facts about their age, birthday, star sign, height, relationships and career highlights. Scroll through categories like Art and Dance or discover more Television personalities that are shaping today’s TV.