This list contains all the characters in The Big Bang Theory.
While a lot of sub-categories have been grouped under this category, the main sub-categories include:
- Main Characters : Characters whose names appear in the opening credits, even if only occasionally.
- Recurring Characters : Characters who appear or used to appear in the show from time to time. They tend to have a more important role in the series.
- Minor Characters : Characters who have appeared only once or a few times. They may or may not have a prominent role in the episode(s) they appeared in, and are not significant to the series plotlines.
- Unseen Characters : Characters who are only heard or seen partially without showing their faces. They are still played by actors or voice actors.
- Mentioned-only Characters : Characters who are only mentioned in the show. They are not played by any live actors.
- Appeared As Themselves : People who have appeared in the show as (perhaps a dramatized version of) themselves, including those who have appeared as someone's imagination, fantasy or in a dream.
- Male Characters : Male characters whether they have major or minor roles.
- Female Characters : Female characters whether they have major or minor roles.
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Sheldon Cooper -
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Leonard Hofstadter -
Bernadette Rostenkowski-Wolowitz
All items (489)
A
- Abby
- Adoot Koothrappali
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- Albert Einstein
- Alessandra Torresani
- Alex Jensen
-
- Alfred Hofstadter
- Alice
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- Alicia
- Althea Davis
- Amanda Walsh
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- Amy's Grandmother
- Amy's Uncle
- Amy's Unnamed Male Cousin
- Analeigh Tipton
- Angela (Season 4)
- Angela Page
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-
- Anu
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-
-
- Aunt Barbara
- Aunt Ruth
B
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- Barbara Chen
- Barry Kripke
- Barry Swanson
-
- Bernadette's Grandmother
- Bernadette's Nephews/Nieces
- Bernadette's unnamed siblings
- Bert Kibbler
- Bethany
- Betty
- Beverly Hofstadter
- The Big Bang Theory
- Bill Gates
- Bill Nye
- Billy Sparks
- Bloom
- Stuart Bloom
- Bobbi Sparks
- Brenda Sparks
- Brent Spiner
- Brian Greene
- Briana Cuoco
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- Business Clerks
- Buzz Aldrin
C
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- Captain Sweatpants
- Captain Sweatpants' Son
- Carl
- Carrie Fisher
- Catherine Millstone
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- Charlie Sheen
- Chen
- Cheryl
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- Chinese Leonard
- Chinese Sheldon
- Chris Krauser
- Christy Vanderbel
- Cinnamon
- Claire
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- Claire's Boyfriend
- Clint
- Cole
- Colonel Richard Williams
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- Cooper Dog
- Leonard Cooper
- Sheldon Cooper
- Cosmetics Counter Customer
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- Cynthia
- Cynthia (season 12)
D
- Dale
- Dale Ballard
- Dan
- Dan's grandson
- Danny Jacobs
- Dave Gibbs's Ex-wife
- David
- David Gibbs
- David Underhill
- Deaf Emily's Boyfriend
- Debbie Wolowitz
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- Denise
- Dennis Kim
- Derek
- Dilip
- Dimitri
- Dimitri Rezinov
- Doctor Gustafson
- Doctor Morelli
- Donnie
- Donnie's Mother
- Doug
- Dr. Boots Hofstadter
- Dr. Campbell
- Dr. Gallo
- Dr. Lee
- Dr. Pemberton
- Dr. Randall
E
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- Edna
- Edward
- Elena Campbell-Martinez
- Elizabeth Plimpton
- Ellen DeGeneres
- Elliot
- Emily (season 5)
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- Emma
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- Eric (season 2)
- Eric (season 7)
- Eric Gablehauser
- Erica Swanson
- Evelyn Ingram
F
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- Flora
- Floyd
- Footprints on the Moon
- Amy Farrah Fowler
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- Frances H. Arnold
- Frank and Alicia
G
- Gary
- Gene Lundy
- George Cooper Jr.
- George Cooper Jr.'s Girlfriend
- George Cooper Sr.
- George Cooper Sr.'s Brother-in-law (Sister's Husband)
- George Cooper Sr.'s Sister
- George Smoot
- George Takei
- Gilda
- Gino The Neutrino's Puppeteer
- Girls Interested In Science
- Gladys
- Glen
- Glenn
- Glenn (Season 9)
- Gorn
- Goth Chicks
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- Grandpa
- Grant Linkletter
- Gretchen
- Gretchen's Fiancé (Penny's Ex-boyfriend)
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H
- Herschel Sparks
- High School janitor
- Penny
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- Howard and Bernadette
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- Howie Mandel
- Hubert Givens
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