Guest Star: Judd Hirsch

Judd Hirsch is an American actor best known for playing Alex Rieger on the sitcom Taxi from 1978-1983, a role for which he twice won an Emmy award.

His other TV roles include the NBC '80s series Dear John and the 2005 CBS series NUMB3RS. On the big screen, Hirsch is known for roles in films including Ordinary People, Independence Day, and A Beautiful Mind.

You are viewing a list of Judd Hirsch's 2 appearances on The Big Bang Theory.

  • The Convergence Convergence

    The Convergence Convergence
    Season 9, Episode 24 - Aired May 12, 2016

    Leonard's father, Alfred, travels to Pasadena to attend his son's wedding do-over where he gets a chilly reception from his ex-wife, Beverly. Alfred and Sheldon's mother, Mary, bond over their shared dislike of Beverly.

    Appeared as Alfred

  • The Conjugal Conjecture

    The Conjugal Conjecture
    Season 10, Episode 1 - Aired September 19, 2016

    Leonard's father, Dr. Alfred Hofstadter, is in town for Leonard and Penny's wedding do-over.

    Appeared as Alfred

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