Martha Miriam Greenhouse (born June 14, 1921 – died January 5, 2013) was an American stage, film and television actress, who also served as an actors' union leader.
The Omaha, Nebraska-born actress appeared both on-and off-Broadway. Her film credits included The Stepford Wives and Bananas. She appeared on such television and soap opera series asRoute 66, Car 54, Where Are You?, Law & Order, The Jackie Gleason Show, The Phil Silvers Show, and Ryan's Hope.
Greenhouse served as AFTRA' New York branch preident for five terms, and on the Screen Actors Guild's National Board from 1981-87. For her union service she was awarded the Founder's Award, the Ken Harvey Award and the George Heller Gold Card.