Althea

Mike Massimino

Stan

Kevin Smith

Glenn

Mike Rostenkowski

Emily Sweeney

Spock

Lonely Larry

Roberta

Dimitri

Leslie Winkle

Lucy

Stephen Hawking

Penny

The Flash

Howard Wolowitz

Debbie Wolowitz

Professor Rothman

Stuart Bloom

Professor Goldfarb

Beverly Hofstadter

Dan

Rebecca

Amy Farrah Fowler

Officer Shin

Reverend White

Priya Koothrappali

Halley Wolowitz

Dr. V. M. Koothrappali

Steve Wozniak