Johnny Galecki, Simon Helberg, and Kunal Nayyar in The Big Bang Theory (2007)

Johnny Galecki, Simon Helberg, Jim Parsons, and Kunal Nayyar in The Big Bang Theory (2007)

Jodi Lyn O'Keefe, Johnny Galecki, Simon Helberg, and Kunal Nayyar in The Big Bang Theory (2007)

Jodi Lyn O'Keefe and Simon Helberg in The Big Bang Theory (2007)

Kaley Cuoco, Johnny Galecki, Simon Helberg, Jim Parsons, and Kunal Nayyar in The Big Bang Theory (2007)

Simon Helberg and Jim Parsons in The Big Bang Theory (2007)

Kaley Cuoco, Simon Helberg, Valerie Azlynn, Jim Parsons, and Kunal Nayyar in The Big Bang Theory (2007)

Simon Helberg and Summer Glau in The Big Bang Theory (2007)

Sara Gilbert and Simon Helberg in The Big Bang Theory (2007)

Christine Baranski, Johnny Galecki, Simon Helberg, Jim Parsons, and Kunal Nayyar in The Big Bang Theory (2007)

Simon Helberg, Jim Parsons, and Kunal Nayyar in The Big Bang Theory (2007)

George Takei, Simon Helberg, Katee Sackhoff, and Melissa Rauch in The Big Bang Theory (2007)

Simon Helberg and Katee Sackhoff in The Big Bang Theory (2007)

Simon Helberg in The Big Bang Theory (2007)

Jason Bateman and Simon Helberg in The Jake Effect (2003)

Mayim Bialik, Stephen Colbert, Kaley Cuoco, Johnny Galecki, Simon Helberg, Jim Parsons, Melissa Rauch, and Kunal Nayyar in Johnny Galecki/Jim Parsons/Kaley Cuoco/Simon Helberg/Kunal Nayyar/Mayim Bialik/Melissa Rauch/Barenaked Ladies (2019)

Mayim Bialik, Kaley Cuoco, Johnny Galecki, Simon Helberg, Jim Parsons, Melissa Rauch, and Kunal Nayyar in The Big Bang Theory (2007)

Simon Helberg, Kunal Nayyar, and Dave Theune in The Big Bang Theory (2007)

Camille Chen, Ayda Field, Simon Helberg, and D.L. Hughley in Studio 60 on the Sunset Strip (2006)

Simon Helberg and Melissa Rauch in The Big Bang Theory (2007)

Simon Helberg and Kurt Scholler in The Big Bang Theory (2007)

Kathy Bates, Simon Helberg, and Teller in The Big Bang Theory (2007)

Neil Gaiman, Johnny Galecki, Simon Helberg, Kevin Sussman, and Jim Parsons in The Big Bang Theory (2007)

Peter MacNicol, Johnny Galecki, Simon Helberg, Jim Parsons, and Kunal Nayyar in The Big Bang Theory (2007)

Neil Patrick Harris, Nathan Fillion, Simon Helberg, and Felicia Day in Dr. Horrible's Sing-Along Blog (2008)