Erin Moran: Erin Moran. Actress: Joanie Loves Chachi. Born in Burbank, California, USA on October 18, 1960, Erin Moran was the youngest daughter of Sharon and Edward Moran, who have five other children. She attended Walter Reed Junior High School for one year and North Hollywood High School for another year. Her first professional acting job was in a TV commercial. She played Richie Cunningham's baby sister, Joanie Cunningham, on ABC's Happy...
