Martha Selleck: Inside the Life of Tom Selleck’s sister

Martha Selleck is the sister of actor Tom Selleck. Martha Selleck’s brother is known for his iconic mustache. From 80s heartthrob or gunslinger to the no-nonsense cop and plenty of comedic roles in between, Tom Selleck has graced the screen for over 50 years. He is particularly known for his starring role as Hawaii-based private investigator Thomas Magnum on the 1980s television show Magnum, P.I. and also for the troubled small-town police chief Jesse Stone in nine television films based on the Robert B. Parker novels.

Martha Selleck: Bio Summary

Who is Tom Selleck’s sister?

Martha Selleck was born in November 1954 in the United States of America. She is 70 years old as of 2024. Martha is the daughter of  Robert D. Selleck and Martha S. Jagger and the sister of  Robert Selleck, Daniel Selleck, and Tom Selleck. She is the third oldest of Selleck children. Matha was named after her mother  Martha S. Jagger. She is also the only girl in the Selleck family. 

ALSO, READ; Martha S. Jagger: What happened to Tom Selleck’s mother?

Martha’s father Robert was very strict with them and tried to make them well-disciplined. Per reports, her father asked each of them not to drink, smoke, or swear until they were 21, at which time they were given a gold watch. Before she was born, her father, a United States Army Air Corps during World War II, left Detroit for Van Nuys. This predominantly agricultural area was beginning to sprout suburban communities.

He had a job offer from Coldwell Banker that offered no salary and no weekly guarantee against future sales. He made his earnings solely on commission. Years later, he was promoted to senior vice president and director of corporate communications for Coldwell Banker Commercial Group which led him to establish the Selleck Company for Real Estate Development and Consultation. 

ALSO, READ; Daniel Selleck: Inside the Life of Tom Selleck’s brother

Martha Selleck was a Model

According to Familytron, she was previously a model but then changed her job for calm family life. Alongside her two brothers–including actor Tom Selleck–Martha is a partner in the family-owned Selleck Development Group in Westlake Village the Los Angeles Times reported.

The Sellecks have developed projects from strip malls to shopping centers from Torrance to Las Vegas. But their biggest challenge is rebuilding the former General Motors plant in Panorama City.

ALSO, READ; Bob Selleck: Who was Tom Selleck’s father?

The Selleck siblings appear to be very close. Actor Tom Selleck, father Robert, brother Daniel, sister Martha and son Logan, and brother Robert Jr. attended and took pictures at the 35th Annual “Hollywood Stars Night” Celebrity Baseball Game on August 22, 1992, at Dodger Stadium in Los Angeles, California. Martha Selleck’s father Robert D. Selleck passed away in 2001 and his mother Martha S. Jagger in 2017.

Martha Selleck’s famous brother made a name for himself in the 1980s as private investigator Thomas Magnum over eight seasons of the hit series “Magnum P.I.” Fast-forward to the 2000s, and Selleck found himself with another long-running hit, CBS’ “Blue Bloods.”

ALSO, READ; Robert Selleck: Who is Tom Selleck’s Brother

Sporting one of the world’s most recognizable mustaches, Selleck has become one of America’s most well-known and durable TV actors, but there are still a ton of facts you probably don’t know about the small-screen superstar. Aside from being an actor, Tom Salleck is a California Army National Guard veteran, a spokesman for the National Rifle Association of America (NRA), an endorser in advertisements for National Review magazine, and co-founder of the Character Counts! organization.