Marta Kristen

Martha Annalise Soderquist, known on screen as Marta Kristen, is an American actress. She became known through the television series Lost in Space, which ran from 1965 to 1968. Marta Kristen went nude on screen years later in the film Gemini Affair (1975). She was born on February 26, 1945, in Norway. On Lost in Space she played Judy Robinson, the eldest daughter of Professor John Robinson and his wife, Maureen. The writers pictured Judy as a young woman of about twenty years old. That role kept her name linked to classic science fiction television for many years.