Catherine E. Richardson is an American singer, songwriter, actress, and narrator from the Chicago suburbs in Illinois.

[3] Before starting her music career, Richardson worked as an auto mechanic and as a cashier at her father's gas station.

She has also co-written songs with Peterik, and is a fairly frequent guest in his all-star World Stage concerts.

In the show's pilot episode, she provided the voice of Mary, one of the main characters.

[2] She also sang Janis' vocal parts for Big Brother and the Holding Company during many of their recent live shows.