Johnny Galecki
Leonard Hofstadter
The lives of four socially awkward scientists take a wild turn when a beautiful and free-spirited girl moves in next door.
The Big Bang Theory
Leonard Hofstadter
Sheldon Cooper
Penny
Howard Wolowitz
Rajesh Koothrappali
Bernadette Rostenkowski
Amy Farrah Fowler
Stuart Bloom
Debbie Wolowitz (voice)
Barry Kripke
Emily Sweeney
Wil Wheaton
V.M. Koothrappali / Production Coordinator
Beverly Hofstadter
Bert Kibbler
Mary Cooper
President Siebert
Priya Koothrappali
Zack Johnson
Halley Wolowitz (voice)
