Guest Star: 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 13 appearances on The Big Bang Theory.
The Benefactor Factor
Season 4, Episode 15 - Aired February 10, 2011The guys attend a university fundraiser where a wealthy donor takes an intimate interest in Leonard, forcing him to consider how far he is willing to go for science.
Appeared as President Siebert
The Vacation Solution
Season 5, Episode 16 - Aired February 9, 2012After 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
Season 5, Episode 17 - Aired February 16, 2012When 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
Season 11, Episode 22 - Aired April 26, 2018Hoping to raise money to fund his research, Sheldon asks President Siebert for $20 million dollars - at first.
Appeared as President Siebert
The Planetarium Collision
Season 12, Episode 5 - Aired October 18, 2018When 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
Season 12, Episode 7 - Aired November 1, 2018President Siebert puts Leonard in charge of distributing leftover grant money.
Appeared as President Siebert
The Paintball Scattering
Season 12, Episode 11 - Aired January 3, 2019President Siebert asks Amy to do a publicity tour for her and Sheldon's paper.
Appeared as President Siebert
The Confirmation Polarization
Season 12, Episode 13 - Aired January 17, 2019Sheldon 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
Season 12, Episode 18 - Aired April 4, 2019When President Siebert throws a reception at the university for Sheldon and Amy, they invite a number of science luminaries.
Appeared as President Siebert
The Inspiration Deprivation
Season 12, Episode 19 - Aired April 18, 2019Following Amy's outburst at the reception for the Nobel laureates, President Siebert wants to talk to Sheldon and Amy.
Appeared as President Siebert
The Decision Reverberation
Season 12, Episode 20 - Aired April 25, 2019A newly self-assured Leonard demands President Siebert give him his dream job.
Appeared as President Siebert
The Plagiarism Schism
Season 12, Episode 21 - Aired May 2, 2019President Siebert tries to act as a peacemaker to Sheldon and Amy and the two FermiLab doctors.
Appeared as President Siebert
The Change Constant
Season 12, Episode 23 - Aired May 16, 2019After Sheldon and Amy win the Nobel prize, President Siebert tells Leonard, Howard and Raj to use the word 'quirky' to describe the pair.
Appeared as President Siebert