A Look-Back At Every Character In The Big Bang Theory. Who Is Your Favorite?

Alice Amter as Mrs. Koothrappali

Amter, a British born actress, plays as Rajesh’s mother and eventually divorces Dr. Koothrappali. Apart from her role in the series, she also has appearances on ER, Judging Amy, Presidio Med, The Good Girl, A Man Apart, and Outsourced.

Alice Amter As Mrs Koothrappali

Brian Thomas Smith as Zack Johnson

Tomas Smith plays as the on-and-off boyfriend of Penny. St. Louis, Missouri born and bred, Brian Thomas Smith is an actor and producer. The 41-year-old actor, who is well known for his works on Danny Collins and The Wedding Party, is also a member of the sketch comedy troupe, The Exploding Pajamas. 

Brian Thomas Smith As Zack Johnson