Who are the Cast members of big bang theory?

The main cast members of The Big Bang Theory are:

* Johnny Galecki as Leonard Hofstadter

* Jim Parsons as Sheldon Cooper

* Kaley Cuoco as Penny

* Simon Helberg as Howard Wolowitz

* Kunal Nayyar as Raj Koothrappali

* Sara Gilbert as Leslie Winkle (recurring for seasons 1-3)

* Melissa Rauch as Bernadette Rostenkowski-Wolowitz

* Mayim Bialik as Amy Farrah Fowler