What is Allison Janney most famous for?

Allison Janney is an award-winning actress who has a solid reputation on stage and in many supporting roles on screen.

She gained prominence by portraying one of the major characters in the popular TV series The West Wing (1999) for which she received four Primetime Emmy Awards.

In 2014, she won the Primetime Emmy Award for Outstanding Guest Actress in a Drama Series for her role as Margaret Scully on the Showtime period drama Masters of Sex.

For her portrayal of Bonnie Plunkett, a cynical recovering addict on the CBS sitcom Mom (2013–2021), Janney received six Primetime Emmy Award nominations and won twice for Outstanding Supporting Actress in a Comedy Series.

In 1996, she made her Broadway debut in Present Laughter. She also appeared in the films A View From the Bridge and 9 to 5.

She voiced roles in Finding Nemo (2003), Over the Hedge (2006), Minions (2015), and The Addams Family (2019).

For her performance in the black comedy I, Tonya (2017), Janney won an Academy Award, a BAFTA Award, and a Golden Globe Award, all for Best Supporting Actress.