Actress Marta Kristen was first "discovered" at a drive-in restaurant in Santa Monica, CA when producer/director/writer James B. Harris asked if she would like to try out for the title role in Lolita. Although her mother did not think it would be a good role for her, Harris helped her find an agent and shortly thereafter, she won her first role, on The Loretta Young Show.
Kristen gained fame as Judy Robinson, the daughter of Dr. Maureen Robinson (June Lockhart) and Professor John Robinson (Guy Williams) in the 1960s television series, Lost in Space.Official Site: Marta Kristen Biography