Alice Amter As Mrs. Koothrappali
Mrs. Koothrappali was played by Alice Amter, who was Raj’s mother who was in India at the time of the filming. Mrs. Koothrappali hoped against hope that her son would find a wife. In Season Eight, she divorces Mr. Koothrappali, and their relationship takes a dark turn as a result of this.
Keith Carradine As Wyatt
Penny’s father, Wyatt, was played by Keith Carradine. In order for his grandchildren to “grow up in a house without wheels.” Wyatt was always rooting for Penny and Leonard’s romance. Throughout the course of the series, Wyatt and Leonard maintained a cordial relationship.