Martha Greenhouse — American stage, film and television actress and union leader

Career and notable appearances

Greenhouse worked in multiple media: live theatre, films and episodic television. She frequently appeared as a guest actor on popular series of the 1950s through the 1990s, often portraying supporting characters and strong scene partners. Selected television credits include:

• Route 66
• Car 54, Where Are You?
• The Jackie Gleason Show
• The Phil Silvers Show
• Ryan's Hope
• Law & Order — credited guest appearances

Early life

Greenhouse was born on June 14, 1921, in Omaha, Nebraska. Public records and contemporary accounts indicate she pursued theatrical work that led her to performance opportunities on both coasts and in New York's theatre scene. Details of her early training are not widely documented in popular sources, but her subsequent body of work shows sustained professional activity across stage and screen.

Union leadership and advocacy

Beyond acting, Greenhouse was active in actors' labor and professional organizations. Described in obituaries and trade notices as an "actors' union leader," she took part in advocacy and internal governance efforts that supported performers' working conditions and professional standards. Her involvement reflected a common pattern among career actors who combine artistic work with organizational service.

Later life and legacy

Martha Greenhouse died of natural causes on January 5, 2013, at her home in New York City, New York, at the age of 91. She left a record of steady professional work across several entertainment eras and is remembered by colleagues for her professionalism and her commitment to performers' issues. Her career provides an example of a mid-century character actor who balanced stage work, television guest roles, and labor activism.

For additional information and to explore filmography or archival material, consult period databases and theatre archives linked from general resources such as career summaries or industry notices on television credits.