Marian Waldman
Biography
Marian Waldman was a Canadian-American actress and writer, best known for her memorable roles in Black Christmas (1974) as Mrs. MacHenry and Deranged (1974) as Maureen Selby. Her notable film work also included Phobia (1980) and When Michael Calls (1972), with the latter marking her feature film debut. A prolific writer, Waldman also worked on several television series during her career.