How many seasons did The Big Bang Theory have?
The Big Bang Theory (season 12)
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Johnny Galecki as Dr. Leonard Hofstadter
Jim Parsons as Dr. Sheldon Cooper
Kaley Cuoco as Penny
Simon Helberg as Howard Wolowitz
Kunal Nayyar as Dr. Rajesh "Raj" Koothrappali
Mayim Bialik as Dr. Amy Farrah Fowler
Melissa Rauch as Dr. Bernadette Rostenkowski-Wolowitz
Kevin Sussman as Stuart Bloom