Trivia

Her dad is a jazz musician, and her two brothers are also musicians.

She won an Outer Critics Circle Award for Outstanding Featured Actress in a Play for "Present Laughter" in 1997. She shared the award with Deborah Findlay and Celia Weston.

While struggling to make it as an actress, she told people who inquired about what she did for a living that she was a photographer for "National Geographic."

Janney was discovered by Paul Newman and Joanne Woodward while acting in a play, directed by Newman, at Kenyon College, Ohio. They encouraged her to head to New York City after graduation in order to study at the Neighbourhood Playhouse.