• Thomas Smith played "Zack" in The Big Bang Theory
  • He is a famous actor
  • Learn more about him here

The Big Bang Theory's "Zack" is played by American actor and comedian Brian Thomas Smith. Before starring on The Big Bang Theory, Brian would get his start in smaller roles on series including Two and a Half Men

You may also recognize Brian and his brother Greg from The Amazing Race 7, who unfortunately were eliminated in the sixth episode. 

The Big Bang Theory: "Zack"

Brian Thomas Smith attends the series finale party for The Big Bang Theory

The Big Bang Theory "Zack" has been the biggest role of Brian Thomas Smith's career and while his character lacked common sense, he was well-loved. 

"Zack", the ex-boyfriend of "Penny", would appear off and on again in a total of 11 episodes over the course of nine seasons of The Big Bang Theory

Brian Thomas Smith Now

Recently, you will find Brian Thomas Smith on series and in films including:

  • Happy Endings (2012)
  • Suit Up (2012)
  • Danny Collins (2015)
  • The Neighborhood (2019)
  • 9-1-1: Lone Star (2020)
  • Babysplitters (2020)

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Mayim Bialik ("Amy Farrah Fowler") used to star in the sitcom 'Roseanne'.

Kunal Nayyar and Neha Kapur

"Rajesh" is a bit smoother with the ladies than we thought...

'The Big Bang Theory': Meet Kunal Nayyars Beautiful Wife Neha Kapur

The 44-years-old actor has been married to his gorgeous wife, Maggie Gonzales-Smith for five years now and the happy couple just welcomed a son, Ollin Ever Smith, in August of 2020. We'd say The Big Bang Theory's "Zack" is getting along just fine today!