June Lockhart died on Thursday, October 23, from natural causes at the age of 100. The iconic actress was famous for her role in the television series Lost in Space.
Lockhart was born in 1925 in New York City and made her film debut in 1939. She starred in an adaptation of A Christmas Carol at age 13 and appeared in numerous films and TV shows over the years. She’s probably best known for her roles in Lost in Space and Lassie.
According to Celebrity Net Worth, June Lockhart had a net worth of $5 million. She was the daughter of actors Gene and Kathleen Lockhart. After her performance in A Christmas Carol, Lockhart continued to work in TV, film, and theater for more than 60 years.
She also participated in some political campaigns in 1956 and 1960. As per Celebrity Net Worth, she attended multiple press briefings at the White House until 2004, as she held a lifetime press pass.
On a personal note, Lockhart was first married to John Maloney from 1951 to 1959. She then married John C. Lindsay, divorcing him in 1970. She has two children, Anne Lockhart and Lizabeth Lockhart, both from her first marriage.
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When June Lockhart opened up about working on Lost in Space and Lassie

Lockhart portrayed Maureen Robinson in the science fiction TV series Lost in Space. Robinson was a biochemist and the mother of three in the show, which aired for three seasons from 1965 to 1968.
In an episode of the show's third season, a man dressed as a carrot made June Lockhart laugh so hard that she was sent home. In an interview with Closer Magazine, published on August 21, 2024, she said:
“I was invited to go home because I just lost it laughing.”
She said that Lost in Space was one of her favorite roles, adding:
“Lost in Space was my favorite project. It was so campy. And I truly enjoyed my relationship with my space family.”
Lockhart mentioned that she was still in touch with actors Bill Mumy, Angela Cartwright, and Marta Kristen, who played her children on the show.
“I am proudest of the colleagues and friends I have made throughout my lifetime in the industry.”
Another one of June Lockhart's most memorable roles was Ruth Martin on Lassie, a show about a collie named Lassie and her companions. The show aired from September 1954 to March 1973. Recalling her time on the show, Lockhart told Closer Magazine:
“When I wasn’t shooting Lassie, I became the mistress of Scrabble with my hairdresser and the crew.”
The actor also reflected on her life and said:
“I don’t spend any time dwelling on things I can’t change. Everything is in flux. Wait a moment and things will work out.”
Aside from Lost in Space and Lassie, June Lockhart also appeared in Petticoat Junction, Happy Days, Full House, and Meet Me in St. Louis.