Margaret "Mag" Ruffman (born 28 February 1957) is a Canadian comedian, actress and television host. She has played roles in films such as Anne of Green Gables and Anne of Avonlea and TV series Road to Avonlea. She was reunited with Sarah Polley on the set of the Netflix show Alias Grace in 2017 when she played Diane. Mag also creates and performs in the theatre. She created and performed as Ms. Eleanor Crumpacker in Dufferin Museum's 1919 Prohibition Halloween Dinner Theatre in 2019. Mag also wrote and performed in a one-woman show entitled Self-Help Cabaret on 19 January, 2020.