The five original cast stars of ‘TBBT’ are taking a $100k-per-episode pay cut to boost Melissa Rauch and Mayim Bialik ‘s salaries. The five original cast members of ‘The Big Bang Theory’ are reportedly showing solidarity with newer stars Mayim Bialik and Melissa Rauch , opting to take a pay cut in order to give them both raises ahead of negotiations for an expected two-season renewal.