On screen
Cast
379 credited performers
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler
Kevin Sussman
Stuart Bloom
Carol Ann Susi
Debbie Wolowitz (voice)
John Ross Bowie
Barry Kripke
Laura Spencer
Emily Sweeney
Wil Wheaton
Wil Wheaton
Brian George
V.M. Koothrappali
Christine Baranski
Beverly Hofstadter
Brian Posehn
Bert Kibbler
Laurie Metcalf
Mary Cooper
Joshua Malina
President Siebert
Aarti Mann
Priya Koothrappali
Brian Thomas Smith
Zack Johnson
Pamela Adlon
Halley Wolowitz (voice)
Sara Gilbert
Leslie Winkle
Rati Gupta
Anu
Kate Micucci
Lucy
Lauren Lapkus
Denise
Stephen Hawking
Stephen Hawking
Dean Norris
Richard Williams
Casey Sander
Mike Rostenkowski
Michael J. Massimino
Michael J. Massimino
Regina King
Janine Davis
Bob Newhart
Arthur Jeffries
Alessandra Torresani
Claire
Vernee Watson
Althea
Mark Harelik
Eric Gablehauser
Ed Lieberman
Lecturer (voice)
Keith Carradine
Wyatt Teller
Pasha D. Lychnikoff
Dimitri
Margo Harshman
Alex Jensen
Robert Clotworthy
Dave Roeger (voice)
Brian Patrick Wade
Kurt
LeVar Burton
LeVar Burton
Riki Lindhome
Ramona Nowitzki
Kimberly Brooks
Automated Cell Phone Voice (voice)
Swati Kapila
Ruchi
Stephen Merchant
Dave Gibbs
Marcus Folmar
Security Guard
Sara Rue
Stephanie Barnett
Ira Flatow
Ira Flatow (voice)
Ian Scott Rudolph
Captain Sweatpants
Jerry O'Connell
Georgie Cooper
Kathy Bates
Mrs. Fowler
Teller
Larry Fowler
Kal Penn
Kevin Campbell
Sean Astin
Greg Pemberton
Erin Allin O'Reilly
Cheryl
James Hong
Chen
Stephen Root
Dan
Dakin Matthews
Santa Claus
Jim Meskimen
Doctor (voice)
Elena Campbell-Martinez
Maria
Alex Ball
Waiter
Judd Hirsch
Alfred Hofstadter
Annie O'Donnell
Mrs. Lorvis (voice)
Molly Morgan
Hostess
Katie Leclerc
Emily
Katee Sackhoff
Katee Sackhoff
David Trice
Waiter
Josh Brener
Dale
Kevin Brief
Glen
Lance Barber
Jimmy Speckerman
Lio Tipton
Vanessa Bennett
Bill Nye
Bill Nye
Neil deGrasse Tyson
Neil deGrasse Tyson
Courtney Henggeler
Missy Cooper
Chasty Ballesteros
Karen
David Theune
Dr. Graybel
Michelle Arthur
Mrs. Petrescu
Kevin Smith
Kevin Smith
Caleb Pierce
Jess
Lindsey Kraft
Marissa Johnson
Ellen DeGeneres
Ellen DeGeneres
George F. Smoot
George F. Smoot
Travis Schuldt
Eric
Octavia Spencer
Octavia
Michael Trucco
David Underhill
Summer Glau
Summer Glau
Jodi Lyn O'Keefe
Mikayla
Lewis Black
Professor Crawley
Elizabeth Bogush
Catherine Millstone
Yeardley Smith
Sandy
Julio Oscar Mechoso
Officer Hackett
Judy Greer
Elizabeth Plimpton
Steve Wozniak
Steve Wozniak
George Takei
George Takei
Eliza Dushku
Angela Page
Rick Fox
Glenn
Jessica Walter
Mrs. Latham
Kimberly Kevon Williams
Vicki
Andrew W. Walker
Mike
Emma Degerstedt
Emma
Peter Onorati
Angelo
Brooke D'Orsay
Christy Vanderbel
Michael Hyatt
Charlotte
Will Deutsch
Jeremy
Valerie Azlynn
Alicia
Oliver Muirhead
Professor Laughlin
Danica McKellar
Abby
Sherry Weston
Dance Instructor
Joel Brooks
Professor Goldfarb
Blake Berris
Kevin
Courtney Ford
Alice
Allen Nabors
Doug
Rachel Cannon
Patty
Billy Bob Thornton
Oliver Lorvis
Kara Luiz
Jeanie
James Earl Jones
James Earl Jones
Carrie Fisher
Carrie Fisher
DJ Qualls
Toby Loobenfeld
Sarayu Blue
Lalita Gupta
Michael Reetz
Photographer
Noel De Souza
Older Indian Man
Nathan Fillion
Nathan Fillion
Angela Relucio
Hostess
Stephanie Escajeda
Cindy
Max Adler
Zombie
Tate Ellington
Mitchell
Michael Dempsey
Security Guard
Mark Barrett
Security Guard #2 (voice)
Matt Bennett
Josh Wolowitz
Rena Strober
Caller (voice)
Sara Erikson
Gwen
Kelli Goss
Chelsea
Phoebe Neidhardt
Casting Assistant
Jeff Jingle
Alien (voice)
Mark Maitre
Alien #2 (voice)
Max Mittelman
Tech Support (voice)
Katherine Von Till
Tech Support Recording (voice)
Louise Claps
Receptionist
Melissa Tang
Mandy Chao
Craig Welzbacher
Candidate #1
Kurt Koehler
Candidate #2
Arshad Aslam
Candidate #3
Megan Heyn
Natalie
Patrika Darbo
Grace
Rebecca Ann Johnson
Attractive Red Head
Michael Rapaport
Kenny Fitzgerald
Troy Winbush
Paramedic
Sophie Oda
Grace
Aaron Takahashi
Scientist
Barak Hardley
Pizza Delivery Guy
Christine Corpuz
Woman
Todd Eric Andrews
Dr. Gunderson
Ayumi Iizuka
Scientist
Adam Nimoy
Adam Nimoy
Elon Musk
Elon Musk
Wayne Wilderson
Travis
Yoshi Barrigas
Trent Monaco
Becky O'Donohue
Siri (voice)
Jane Kaczmarek
Dr. Gallow
June Squibb
Connie Tucker
Adam West
Adam West
Creagen Dow
Glenn the Maitre D'
Shane Blades
Customer
Bruce Holman
Airport Pedestrian
Jim Holmes
Tim
H. Michael Croner
Andre
Blake Anderson
Trevor
Katey Sagal
Susan Teller
Jack McBrayer
Randall Teller
Josh Zuckerman
Marty
Brandon W. Jones
The Flash
Bryan Safi
Daniel
Tucker Albrizzi
Christopher
Jareb Dauplaise
Jeff
Maria Canals-Barrera
Issabella
Christopher Lloyd
Theodore
Joel Murray
Doug
April Bowlby
Rebecca
Phil Abrams
Dr. Bernstein
Susan Chuang
Dr. Harris
George Wyner
Dr. Zane
Monica Garcia Pérez
Maria
Kaliko Kauahi
Marta
Casper Smart
Travis
Steve Valentine
Kenneth
Kimberly Hébert Gregory
Ms. Davora
Phyllis Timbes
Voicemail (voice)
Fernando Rivera
Salesperson
Rod Keller
Wardrobe Person
Gilda Stratton
Flight Attendant (voice)
Christopher Neiman
Dr. Dreyfus
Eric Petersen
Eric
Tania Raymonde
Yvette
Josh Peck
Jesse
Morgan Hewitt
Lizzy
Tom Fonss
Student
Beth Behrs
Nell
Talbott Lin
Chinese Leonard
Walton Goggins
Oliver
Charlie Sheen
Charlie Sheen
Zachary Abel
Todd
Stan Lee
Stan Lee
Frank Maharajh
Venkatesh Koothrappali
Howard Chan
Chinese Sheldon
Judith Moreland
Jan
Sarah Buehler
Sarah
Ally Maki
Joyce Kim
Artie O'Daly
Young Man
Ryan Cartwright
Cole
Sierra Edwards
Summer
Treisa Gary
Waitress
Jennifer Hale
News Announcer (voice)
Emily Happe
Kathy O'Brien
Ronald Hunter
Dan
Tyler Jon Olson
Blaine
Livia Treviño
Lourdes
Travis Davis
Ground Controller (voice)
Jane Galloway Heitz
Mildred
Andy Mackenzie
Skeeter
Steve Paymer
Judge J. Kirby
Steven Yeun
Sebastian
William Stanford Davis
Dry Cleaner
Jim Turner
Reverend White
Chuck Carter
Stan
Sandra Marquez
Woman
Eric Andre
Joey
Lauri Johnson
Mrs. Gunderson
Ajgie Kirkland
Louie
Arnold Chun
Ho-Jun
Tiffany Dupont
Angela
Ashley Austin Morris
Laura
Stacey Travis
Sandy
Buzz Aldrin
Buzz Aldrin
Chriselle Almeida
Lakshmi Choudry
Nick Clifford
Phil
Meagen Fay
Mrs. Rostenkowski
Jonathan Schmock
Jonathan
Karl T. Wright
Jimmy
Matt Battaglia
Officer Reynolds
Tiffany Daniels
Clerk
Dana L. Wilson
Dr. Sanders
Sergio Enrique
Son
Charlotte Newhouse
Joy
Whitney Avalon
Elsie
Lanny Joon
Officer Shin
Sharon Omi
Nurse in Biohazard Suit
Tom Yi
Dispatcher (voice)
Janelle Marra
Claire
Jadon Sand
Aaron
Lynn Philip Seibel
Professor Rothman
Piper Mackenzie Harris
Girl #1
Riccardo LeBron
Tom
Angela Sargeant
Lana
Marissa Cuevas
Danielle
Michael Patrick McGill
Police Officer
Eric Normington
Man
Brian Greene
Brian Greene
Chris Reed
Todd Zarnecki
Dusan Brown
Jeremy
Ken Lerner
Dr. Schneider
Craig Gellis
Car Thief #1
Diamond White
Girl #2
Paul Willson
Professor Sharpe
Jeff Witzke
Moviegoer (voice)
Josh Banday
Nolan
Amanda Payton
Ainsley
Brooke Baumer
Denise
Elka Rodriguez
Rose Lady
Jan Hoag
Lillian
Amy Tolsky
Joan
Frank Alvarez
Car Thief #2
Briana Cuoco
Gretchen
Dawson Fletcher
Justin
Nicole J. Butler
Clerk
Endre Hules
Russian Mission Control (voice)
John Mendoza
Chauffeur
Rick Gifford
Guy
Bill Gates
Bill Gates
Giovanni Bejarano
Bellman
Ciara Renée
Sunny Morrow
Andy Taylor Kim
Tour Guide
Luis Aldana
Greg
Kikey Castillo
Leslie
Matt Knudsen
Waiter
Robert Wu
Tam Nguyen
Eddie Shin
Dr. Park
Alison Martin
Andrea
Hermie Castillo
Colin
Iain Armitage
Sheldon Cooper
Montana Jordan
Georgie Cooper
Kurt Scholler
Judge
Mark Hamill
Mark Hamill
Maribeth Monroe
Dr. Lee
Hira Ambrosino
Cynthia
Hugh Kennedy
Chad
Keili Lefkovitz
Brenda
Andy Daly
Nathan
Joel McCrary
Andy (voice)
Eric Nenninger
Neil
Joe Manganiello
Joe Manganiello
Kareem Abdul-Jabbar
Kareem Abdul-Jabbar
William Shatner
William Shatner
Jason Kravits
Danny
Ben Rauch
Darren
Brooke Dillman
Bebe
Doreen Calderon
Woman #1
Sarah Eagen
Woman #2
Claudia Choi
Woman #3
Tiffany Commons
Woman #4
Krishna Smitha
Woman #5
Angela Lin
Maritza
Elijah Isaiah Cook
Terry
Todd Giebenhain
Mitch
Blair Hickey
Reporter #2
Dinora Walcott
Reporter #1
Rodney J. Hobbs
Reporter #3
Sarah Michelle Gellar
Sarah Michelle Gellar
Adam Gregor
Dmitri
Jen Drohan
Martha
Parvesh Cheena
Marcus
Bob Stephenson
Wendell
Megan McGown
Cynthia
Neil Gaiman
Neil Gaiman
Patrick Daniel
Grant
Peter MacNicol
Robert Wolcott
James Maslow
Bartender
Edward James Gage
Nicholas
Mark Berry
Pit Boss
Evan Charest
Croupier
D'Kia Anderson
Hostess
Seth Coltan
Earl
Ellie Reed
Jenna
Mark Hames
Tom
Samantha Potter
Model
Jade Zdanow
Rebecca
Jason Mesches
Denny
Leonard Nimoy
Mr. Spock (voice)
Cynthia Holloway
Roberta
Declan Churchill Carter
Five Year Old
Doug Morency
Stranger
Cat Hammons
Nurse
Joey Rich
Man
Jeffrey Cade Ross Brown
Toby
Rachna Khatau
Kathleen
Laura Cerón
Marta
Eileen Galindo
Letty
Lynn Andrews
Margaret
Shay Ali
Greg
Chip Chinery
Bob
Minerva García
Linda (voice)
Hilda Boulware
Woman
Andre Boyer
Kwame
Frances H. Arnold
Frances H. Arnold
Kip Thorne
Kip Thorne
Susan Leslie
Woman #6
Cassidey Fralin
Woman #7
Riley Go
Woman #8
Cleo Fraser
Little Girl
Thomas Albany
Carl XVI Gustaf of Sweden
Sailah Nicol
Halley Wolowitz
Nate Ash
Michael Wolowitz
Ulf Bjorlin
Announcer
Major Mike
Daniel Westling
Stephane Nicoli
Guy at the Movies (uncredited)
Howie Mandel
Howie Mandel
Jesse Heiman
Comic Book Store Customer (uncredited)
Seaonna Chanadet
Eye Rolling Girl Student (uncredited)
Bryan Stamp
Library Graduate Student (uncredited)
David Barrera
Officer Hernandez
Anil Margsahayam
Man
Tonja Kahlens
Woman
Robert Noble
Older Gentleman
Malcolm Foster Smith
Roy
Michael Araujo
Stadium Announcer (voice)
Netta Most
American Shopper (uncredited)
Efrain Gomez
Employee
Jeanelle Marie Cruz
Bike Messenger (uncredited)
Austin Lee
Dennis Kim
Meli Alexander
Cheesecake Factory Patron
Brent Spiner
Brent Spiner (uncredited)