Jon Provost played Timmy Martin on Lassie for seven seasons (1957-64), where he starred opposite June Lockhart as his mother. In an exclusive tribute to honor his onscreen mom’s 100th birthday on June ...

FILE - June Lockhart, right, who played the character of Ruth Martin, mother of Timmy Martin, played by Jon Provost, left, during the classic series "Lassie," poses for a photograph with Lassie, 9th ...

June Lockhart (right), who played the character of Ruth Martin, mother of Timmy Martin, played by Jon Provost, (left) during the classic series “Lassie,” poses for a photograph with Lassie, 9th ...

"June and I worked together on lassie from 1958 to 1964, she truly was my second mother," Provost wrote. June Lockhart is being remembered as not only a beloved actress, but also a "second mother" to ...

June Lockhart, left, as Maureen Robinson, with Marta Kristen as her oldest child Judy Robinson in Lost in Space - Alamy June Lockhart, who has died aged 100, was a juvenile actress in Golden Age ...

LOS ANGELES (AP) — 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.

LOS ANGELES — 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 ...