Charlie Sheen as Himself
Born on September 3 of the year 1965, Carlos Irwin Estévez (famously known as Charlie Sheen) made his guest appearance in The Big Bang Theory episode from 2008 called “The Griffin Equivalency” in which he guest-starred by playing a character of himself. Charlie started his acting career in 1973 and is known to be a somewhat controversial figure due to his advocacies such as the “911 truth movement” and his belief of anti-vaccination.
Charlie Sheen As Himself
Regina King as Janine Davis
Born on January 15, 1971, Regina King made a breakthrough in 1985 thanks to her role as Brenda Jenkins in the series 277, in which she was acknowledged for being a phenomenal actress. She occasionally appears in The Big Bang Theory as Janine Davis, the director of employee relations at the university. In July of 2019, it was announced that she would direct One Night in Miami based upon the play of the same name and will premiere at the 2020 Toronto International Film Festival.
Regina King As Janine Davis