Character actress Marian Waldman was born on December 16, 1924 in Toronto, Ontario, Canada. The daughter of a professor mother and a physician father, Waldman was an Ashkenazi Jew. Marian began her career as a stage actress in the 1950's in the Toronto area initially as a choir girl before branching out by acting in stage plays. Outside of her work in live theatre, Waldman also acted in a few films as well as was a writer for several TV shows; she was especially memorable as the drunken foul-mouthed housemother Mrs. Mac in the seasonal slasher classic Black Christmas (1974). Her hobbies included reading, traveling, astrology, and attending both parties and various events around Toronto. Marian died at age sixty on July 5, 1985 in Toronto, Ontario, Canada.