June Lockhart Dies at 100: Television Icon Passes Away

June Lockhart, the actress known for her roles on Lassie and Lost in Space, has died at the age of 100. Lockhart passed away on October 23, 2025, at her home in Santa Monica, California. Her career spanned film, television, and theater, making her a notable figure in the history of American entertainment.

Born on June 25, 1925, Lockhart came from a family of actors, with both parents, Gene and Kathleen Lockhart, having established careers in Hollywood. She made her film debut as a child in A Christmas Carol (1938). Over the years, she appeared in a variety of films and television shows, building a reputation for versatility and professionalism.

Lockhart is best known for her television roles. From 1958 to 1964, she played Ruth Martin on the television series Lassie, a show that focused on the adventures of a loyal dog and the families she lived with. Later, from 1965 to 1968, she portrayed

Dr. Maureen Robinson on Lost in Space, a science fiction series about a family stranded in space. These roles established her as a prominent figure in American television during the mid-20th century.

Her contributions to the industry were recognized with several awards and honors over the course of her career. Reports indicate that Lockhart remained mentally active throughout her life. June Lockhart’s passing marks the loss of one of the last surviving stars from the classic era of American television. Her work on Lassie and Lost in Space continues to be remembered and celebrated by fans and historians of the medium.

Lockhart’s career serves as a record of her extensive involvement in American television history and highlights her role in shaping family-focused programming during a formative period for the medium.