Lassie Star June Lockhart Remembered as a “True Professional” by On-Screen Son

Beloved actress June Lockhart has died. She was 100 years old. The news was confirmed on October 23, 2025. Lockhart was best known for her role as Ruth Martin on the classic television series “Lassie.”

Her on-screen son, actor Jon Provost, who played Timmy, led the tributes. He shared a heartfelt message on social media, recalling her kindness and professionalism. Lockhart’s career spanned decades, making her a cherished Hollywood icon.

Jon Provost’s Heartfelt Tribute to His “Second Mother”

Provost posted his tribute on Facebook two days after her passing. He expressed deep personal loss. “I have some sad news, we have lost another movie and television icon, my TV mom, June Lockhart has passed,” he wrote.

He noted they worked together on “Lassie” from 1958 to 1964. Provost described her as his “second mother.” Their bond lasted well beyond the show’s production. According to The Associated Press, Lockhart’s family confirmed her peaceful passing.

Provost shared a poignant memory from his childhood on set. He recalled a time he was misbehaving. Lockhart took him aside and firmly explained they were professionals with a job to do.

This advice left a lasting impression on him. He said she was a true professional with a kind heart. They remained in close contact for decades after the show ended.

A Legacy of Kindness and a Century of Life

Lockhart’s impact extended far beyond her most famous role. She was a respected figure in the entertainment industry for generations. Her career included film, stage, and numerous other television appearances.

Fans flooded the comments of Provost’s post with their own memories. Many shared how she embodied the ideal television mother. Her portrayal left a mark on audiences who grew up watching her.

June Lockhart’s passing marks the end of a celebrated century in Hollywood. Her legacy as a ‘Lassie’ star and a nurturing figure will endure for years to come. She will be deeply missed by family, friends, and fans worldwide.

Thought you’d like to know-

Q1: How old was June Lockhart when she died?

June Lockhart was 100 years old at the time of her passing. Her long life and career were celebrated by many.

Q2: What was June Lockhart’s most famous role?

She was best known for playing Ruth Martin, Timmy’s mother, on the television show “Lassie.” She also had a notable role in “Lost in Space.”

Q3: Who did Jon Provost play on ‘Lassie’?

Jon Provost played the character Timmy Martin on the show. He was the young boy Lassie protected and adventured with.

Q4: Did June Lockhart and Jon Provost stay friends?

Yes, they remained close friends for life. Provost said they never missed a birthday card, Christmas card, or phone call.

Q5: What other shows did June Lockhart appear in?

Beyond “Lassie,” she famously played Dr. Maureen Robinson in “Lost in Space.” Her career also included many film and stage roles.

Trusted Sources

The Associated Press, Reuters, BBC