Mary Beth Peil is an American singer and actress, known for Dawson's Creek, Mirrors and Flags of Our Fathers. She was trained as an opera singer at Northwestern University under 'Lotte Lehmann', where she became a member of the Gamma Phi Beta sorority. In 1964, Peil won the Young Concert Artists International Auditions and the Metropolitan Opera National Council Auditions. She made her film debut from "Jersey Girl" and has appeared on TV show "Law and Order" in 1994.
Mary Beth Peil Peil won an Obie Award in 1995 for her work in three non-musical plays, The Naked Truth, Missing Persons, and A Cheever Evening. Peil's other television credit include, "The Fringe," "The Reagans," "Law & Order," "Law & Order: SVU," and "The Job." Her film credits include "Mirrors," "Flags of Our Fathers," "The Stepford Wives," "The Odd Couple 2," "Reckless," and "The List." Although, she is a married woman, information about her husband or children are not disclosed by any source.