The Big Bang Theory - S3 • E7 - The Guitarist Amplification
Johnny GaleckiLeonard Hofstadter Jim ParsonsSheldon Cooper Simon HelbergHoward Wolowitz Kunal NayyarRajesh Koothrappali Kevin SussmanStuart Bloom Alice AmterMrs. Koothrappali Brian GeorgeV.M. Koothrappali Carol Ann SusiDebbie Wolowitz (voice) Richard A. RosenstockTeleplay 
