About as reliable as one could ever find, character actress Mary Treen was a familiar face to most and could always be counted on to bring a bit of levity to any film scene. A minor actress for much of her career, she managed to secure a plain, unassuming niche for herself in 40s, 50s and 60s Hollywood. She was born Mary Louise Treen in St. Louis, Missouri in 1907, her father dying while she was still an infant. Raised in California by her mother, who once performed under the stage name Helene Sullivan, and her stepfather, a physician, she attended the Westlake School for Girls as well as a convent where she tried out successfully in school plays.详情