The Big Bang Theory 's new planned spinoff has been given a big casting update, with another classic character being lined-up to return. The franchise is planning a new Max show that focuses on characters Stuart Bloom (Kevin Sussman), Denise (Lauren Lapkus) and Bert Kibbler (Brian Posehn).

Johnny Galecki was a weekly fixture on the small screen playing scientist Leonard Hofstadter on the beloved sitcom "The Big Bang Theory." The comedy series follows the ups and downs of his personal and professional life,