June Lockhart has died. She was 100. The actress died on Thursday, Oct. 23 at 9:20 p.m. local time in Santa Monica, Calif., PEOPLE can confirm. Lockhart's cause of death was natural causes. Her ...

June Lockhart, best known for her starring roles on the classic TV shows "Lassie" and "Lost in Space," has died. She was 100 years old. Lockhart died of natural causes on Thursday, Oct. 23, her ...

June Lockhart, who became a mother figure for a generation of television viewers, whether at home in "Lassie" or up in the stratosphere in "Lost In Space," has died. She was 100.Related video above: ...

June Lockhart, who became a mother figure for a generation of television viewers, whether at home in “Lassie” or up in the stratosphere in “Lost In Space,” has died. She was 100. Lockhart died ...