The Big Bang Theory - S12 • E18 - The Laureate Accumulation
Johnny GaleckiLeonard Hofstadter Jim ParsonsSheldon Cooper Simon HelbergHoward Wolowitz Kunal NayyarRajesh Koothrappali Melissa RauchBernadette Rostenkowski Mayim BialikAmy Farrah Fowler Kevin SussmanStuart Bloom Pamela AdlonHalley Wolowitz (voice) Joshua MalinaPresident Siebert Ellen DeGeneresEllen DeGeneres George F. SmootGeorge F. Smoot Frances H. ArnoldFrances H. Arnold 
