Allison Brooks Janney (born November 19, 1959) is an American actress. She is known for her versatility as an actor, with her repertoire ranging from comedic bravura to confident, articulate and professional women. Born in Boston, Massachusetts, Janney was raised in Dayton, Ohio. She won a scholarship to study at the Royal Academy of Dramatic Art in the summer of 1984, following her graduation from Kenyon College.
An Academy Award winner for Best Supporting Actress in her role in the movie I, Tonya and seven-time Primetime Emmy Award winner for her television work, her first four Emmy wins were for her role as C. J. Cregg on the NBC drama The West Wing (1999–2006). In 2014, she won the Emmy for Outstanding Guest Actress in a Drama Series for her role as Margaret Scully on the Showtime series Masters of Sex. In 2014 and 2015, she won the Emmy for Outstanding Supporting Actress in a Comedy Series for her role as Bonnie Plunkett on the CBS sitcom Mom (2013–present).
She made her Broadway debut in the 1996 revival of Present Laughter and received Drama Desk Awards for her performances in the 1997 Broadway revival of A View From the Bridge, and the 2009 original Broadway production of the musical 9 to 5. She also received Tony Award nominations for the latter two.
Her film roles include Primary Colors (1998), Drop Dead Gorgeous (1999), 10 Things I Hate About You (1999), The Hours (2002), Finding Nemo (2003), Over the Hedge (2006), Hairspray (2007), Juno (2007), The Way, Way Back (2013), Mr. Peabody and Sherman (2014), Tammy (2014), Get On Up (2014), Spy (2015), Finding Dory (2016), The Girl on the Train (2016) and Tallulah (2016). In 2017, her performance as LaVona Fay Golden in the black comedy I, Tonya garnered widespread acclaim and earned her numerous accolades, including an Academy Award for Best Supporting Actress, a Golden Globe Award for Best Supporting Actress – Motion Picture, the Screen Actors Guild Award for Outstanding Performance by a Female Actor in a Supporting Role, the Critics' Choice Award for Best Supporting Actress and the BAFTA Award for Best Actress in a Supporting Role.
She also received the Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture for her roles in American Beauty (1999) and The Help (2011). Wikipedia