Linda Purl

Linda Purl (born September 2, 1955) is an American actress and singer. She is known for her roles as Ashley Pfister on Happy Days, Sheila Munroe in the 1982 horror movie Visiting Hours, Pam Beesly's mother Helene in The Office, and Ben Matlock's daughter Charlene Matlock for the first season of the television series Matlock.