We Got A Roller-Coaster Of Emotions From The Cast Of The Big Bang Theory, But Where Are They Now?

Yeardley Smith as Sandy

Smith made a guest appearance on The Big Bang Theory in the episode titled “The Einstein Approximation.” Fun fact? Smith is the one and only Lisa Simpsons from the series The Simpsons for the longest time! This 53-year-old is also a writer and a comedian.

Yeardley Smith As Sandy

Octavia Spencer as Octavia

Octavia Spencer appeared on the hilarious episode “The Euclid Alternative.” Her 2011 role in The Help gave her a big breakthrough, even starting her film debut in 1996. Her role as Minny Jackson was her key to the Academy Award, Golden Globe, SAG, and many more. She was indeed a HIT!

Octavia Spencer As Octavia