Actor June Lockhart, who played moms in 'Lassie' and 'Lost in Space,' dies at 100

LOS ANGELES — June Lockhart, known for playing the quintessential TV mom in “Lassie” and “Lost in Space,” died of natural causes in her Southern California home this week, her family said Saturday.

LOS ANGELES — June Lockhart, known for playing the quintessential TV mom in “Lassie” and “Lost in Space,” died of natural causes in her Southern California home this week, her family said Saturday. She was 100.

She died in her home in Santa Monica, California, on Thursday with her daughter June Elizabeth and granddaughter Christianna by her side, the family said in a statement.

In “Lassie,” Lockhart played Ruth Martin, and in “Lost in Space” she played Maureen Robinson. She also played Dr. Janet Craig in “Petticoat Junction.”

Lassie and June Lockhart in North Hollywood, Calif., in 2009.Alberto E. Rodriguez / Getty Images fileLockhart was long a proponent of the space agency NASA and its mission, and she appeared with pioneering moon-walking astronauts Neil Armstrong and Buzz Aldrin when NASA Television won a primetime Emmy Award in 2009.

The ceremony marked the 40th anniversary of the historic live-TV broadcast from the surface of the moon, which captivated the world on July 20, 1969.