Margaret "Meg" Foster (born May 10, 1948) is an American actress who has had roles in the TV miniseries version of The Scarlet Letter and the films Ticket to Heaven, The Osterman Weekend and They Live among many other projects.
Margaret Foster was born in Reading, Pennsylvania, to David and Nancy (née Adamson) Foster, and grew up in Rowayton, Connecticut with four siblings: sisters Gray, Jan, and Nina, and brother Ian. She studied acting at the Neighborhood Playhouse in New York.
When Loretta Swit was unable to reprise her film role of Detective Christine Cagney in the Cagney & Lacey series, Foster took on the role for the short (six episodes) first season, before she was replaced by Sharon Gless. She worked prolifically throughout the 1970s, 80s and 90s. She has guest starred in numerous TV shows including two episodes of Hawaii Five-O (1973 and 1976), The Six Million Dollar Man season two episode "Straight on 'till Morning" (1974), Three for the Road (1975), and the Star Trek: Deep Space Nine season four episode "The Muse" (1996).