It aired from september 24, 2007, to may 16, 2019, running for 12 seasons and 279 episodes. Since its premiere in 2007, the big bang theory has starred johnny galecki as leonard hofstadter, jim parsons as sheldon cooper, kaley cuoco as penny, simon helberg as howard wolowitz and kunal nayyar as raj koothrappali. Learn more about the full cast of the big bang theory with news, photos, videos and more at tv guide Jim parsons, kaley cuoco, johnny galecki and more starred on ‘the big bang theory’ from 2007 to 2019 — see photos of the cast now 'the big bang theory' premiered on cbs on sept 24, 2007, following a nerdy group of friends and their beautiful neighbor
From jim parsons to kaley cuoco, here's where the cast is now. View popularity stats of the full cast of the big bang theory Get details on the tv show's actors and actresses, their roles and online engagement data metrics. Discover the cast and crew of the big bang theory on rotten tomatoes See actors, directors, and more behind the scenes These talented actors created distinct, memorable characters, whether beloved or loathed by fans
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