About June Lockhart:
June Lockhart is an American actress, primarily in 1950s and 1960s television, but with memorable performances on stage and in film too. She is remembered as the mother in two TV series, Lassie and Lost in Space. She also portrayed Dr. Janet Craig on the CBS television sitcom Petticoat Junction (1968–70). She is a two-time Emmy Award nominee and a Tony Award winner.