The Big Bang Theory - S6 • E4 - The Re-Entry Minimization
Johnny GaleckiLeonard Hofstadter Jim ParsonsSheldon Cooper Simon HelbergHoward Wolowitz Kunal NayyarRajesh Koothrappali Melissa RauchBernadette Rostenkowski Mayim BialikAmy Farrah Fowler Kevin SussmanStuart Bloom Carol Ann SusiDebbie Wolowitz (voice) Michael J. MassiminoMichael J. Massimino Pasha D. LychnikoffDimitri Julie FleischerScript Supervisor Anthony Del BroccoloStory 
