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Guest Star: Joshua Malina

Joshua Malina

Joshua Malina is an American actor best known for his roles on Sports Night, The West Wing, and Scandal.

After a recurring role on The Larry Sanders Show, Malina's first prominent TV role was as Jeremy Goodwin in the ABC comedy-drama Sports Night from 1998-2000. After the short-lived sitcom Imagine That, in 2002 Malina joined the cast of NBC's The West Wing as Will Bailey. In 2012, a recurring role as David Rosen in the first season of ABC's Scandal saw Malina join the cast, staying with the show until its end in 2018.

Malina's other TV credits include a recurring role on Big Shots, Numb3rs, and appearances in Greys Anatomy, iCarly, House M.D., Bones, and CSI: Miami. His film credits include A Few Good Men, In the Line of Fire, and The American President.

You are viewing a list of Joshua Malina's 12 appearances on The Big Bang Theory.

  • The Big Bang Theory

    The Benefactor Factor
    Season 4, Episode 15 - Aired February 10, 2011

    The guys attend a university fundraiser where a wealthy donor takes an intimate interest in Leonard, forcing him to consider far he is willing to go for science.

    Appeared as President Siebert

  • The Vacation Solution

    The Vacation Solution
    Season 5, Episode 16 - Aired February 9, 2012

    After Sheldon's boss forces him to use his mandatory vacation time, he decides to work at Amy's lab and puts his relationship to the test when it appears he may be bad at biology. Meanwhile, Howard and Bernadette hit a pre-marital snag when Bernadette's father insists they sign a pre-nuptial agreement.

    Appeared as President Siebert

  • The Rothman Disintegration

    The Rothman Disintegration
    Season 5, Episode 17 - Aired February 16, 2012

    When an office at the University becomes available, Sheldon and his archnemesis, Barry Kripke, compete for it. Meanwhile, Amy gets Penny an extravagant gift that makes her feel uncomfortable.

    Appeared as President Siebert

  • The Monetary Insufficiency

    The Monetary Insufficiency
    Season 11, Episode 22 - Aired April 26, 2018

    Hoping to raise money to fund his research, Sheldon asks President Siebert for $20 million dollars - at first.

    Appeared as President Siebert

  • The Planetarium Collision

    The Planetarium Collision
    Season 12, Episode 5 - Aired October 18, 2018

    When Sheldon feels that Amy's work isn't leaving enough time for them to work on their superasymmetry project, he goes behind her back to get President Siebert to reassign her neuroscience project.

    Appeared as President Siebert

  • The Grant Allocation Derivation

    The Grant Allocation Derivation
    Season 12, Episode 7 - Aired November 1, 2018

    President Siebert puts Leonard in charge of distributing leftover grant money.

    Appeared as President Siebert

  • The Paintball Scattering

    The Paintball Scattering
    Season 12, Episode 11 - Aired January 3, 2019

    President Siebert asks Amy to do a publicity tour for her and Sheldon's paper.

    Appeared as President Siebert

  • The Confirmation Polarization

    The Confirmation Polarization
    Season 12, Episode 13 - Aired January 17, 2019

    Sheldon and Amy turn to President Siebert when two physicists from Chicago try to take credit for their theory of super-asymmetry.

    Appeared as President Siebert

  • The Laureate Accumulation

    The Laureate Accumulation
    Season 12, Episode 18 - Aired April 4, 2019

    When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also, Halley's fear of the dark leads to opportunity and conflict for Howard, Bernadette and Stuart.

    Appeared as President Siebert

  • The Inspiration Deprivation

    The Inspiration Deprivation
    Season 12, Episode 19 - Aired April 18, 2019

    The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. Also, Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

    Appeared as President Siebert

  • The Big Bang Theory

    The Decision Reverberation
    Season 12, Episode 20 - Airs April 25, 2019

    Koothrappali is worried people won’t take him seriously in his own field after publishing a paper that suggests he may have discovered alien life. Also, Leonard wants to be the principal investigator on a plasma physics study.

    Appeared as President Siebert

  • The Big Bang Theory

    The Plagiarism Schism
    Season 12, Episode 21 - Airs May 2, 2019

    Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren’t sure if they should turn him in or not. Also, Wolowitz is happily surprised to learn that Bernadette wasn’t the only waitress at the Cheesecake Factory who had a crush on him back in the day

    Appeared as President Siebert

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