Brian Thomas Smith

Brian Thomas Smith (born May 13, 1977) is an American actor and comedian known for playing the dim-witted Zack Johnson in The Big Bang Theory, and his appearances on Fear Factor and The Amazing Race Season 7. He has also made guest appearances on Two and a Half Men and The 100 Greatest TV Quotes & Catchphrases.

Family and Personal life
Brian Thomas Smith has a younger brother, Greg, who participated with him on The Amazing Race. Smith graduated from Central Missouri State University (he was also a Sigep) before moving to Los Angeles. He was a member of the sketch comedy troupe, The Exploding Pajamas.

Career
Smith has appeared in commercials for w|Miller Lite, w|Pizza Hut, w|Burger King, w|State Farm, w|Lopez Tonight, w|Chevrolet, w|Heineken, w|Carl's Jr., w|Coors Light, Budweiser, w|Taco Bell, DirecTV, Pop Chips, Buffalo Wild Wings, w|Honda, w|Applebee's, and w|Audi spots as well as being featured in a new w|Progressive Insurance commercial.

Smith appeared on the reality television competition series The Amazing Race 7. Smith and his younger brother, Greg made it to Leg 7 of the race. The two were involved in a car accident during the sixth leg that injured their cameraman and pushed them to last place, but they caught up to the team in front of them resulting in a footrace. They placed sixth overall.

Filmography
Film

Television