Mayim Bialik
Aarti Mann
Riki Lindhome
Simon Helberg
Kevin Sussman
John Ross Bowie
Brian Posehn
Brian Patrick Wade
James Hong
Edward Lieberman
Wil Wheaton
Sara Rue
Stephen Hawking
Marcus Folmar
Alessandra Torresani
Casey Sander
Erin Allin O'Reilly
Pamela Adlon
Dean Norris
Kunal Nayyar
Melissa Rauch
Johnny Galecki
Laura Spencer
Joshua Malina
Bob Newhart
Brian Smith
Pasha D. Lychnikoff
Kate Micucci
Vernee Watson-Johnson
Robert Clotworthy
Carol Ann Susi
Margo Harshman
Ian Scott Rudolph
Brian George
Mark Harelik
Analeigh Tipton
LeVar Burton
Kimberly Brooks
Alice Amter
Kaley Cuoco
Christine Baranski
Jim Parsons
Laurie Metcalf
Stephen Merchant
Regina King
Keith Carradine
Michael J. Massimino
Sara Gilbert