Cast and Crew in The Big Bang Theory - Season 2 - Episode 20

Johnny Galecki
Leonard HofstadterJohnny Galecki was 33 in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Wed, Apr 30 1975

Jim Parsons
Sheldon CooperJim Parsons was 36 in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Sat, Mar 24 1973

Kaley Cuoco
PennyKaley Cuoco was 23 in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Sat, Nov 30 1985

Simon Helberg
Howard WolowitzSimon Helberg was 28 in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Tue, Dec 09 1980

Kunal Nayyar
Rajesh KoothrappaliKunal Nayyar was 27 in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Thu, Apr 30 1981

Kevin Sussman
Stuart BloomKevin Sussman was 38 in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Fri, Dec 04 1970

Mark Cendrowski
DirectorMark Cendrowski was >> in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Unknown Birthday

David Goetsch
WriterDavid Goetsch was >> in The Big Bang Theory - Season 2 - The Hofstadter Isotope (Episode 20).

Birthday: Unknown Birthday