The Big Bang Theory (2007) Cast: Then and Now (2026) | Who Died? Who's Still Alive?

The Big Bang Theory (2007) Cast: Then and Now (2026) | Who Died? Who's Still Alive? The Big Bang Theory cast then and now and revisit the unforgettable stars of the hit sitcom that aired from September 24, 2007, to May 16, 2019 across 12 seasons and 279 episodes. In this video, we look back at the cast of The Big Bang Theory and explore how they changed over the years. the show starred Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Kevin Sussman, and Laura Spencer among other cast members. #thebigbangtheory #bigbangtheory #castthenandnow #KaleyCuoco #JimParsons #JohnnyGalecki #SimonHelberg #KunalNayyar #WhereAreTheyNow