Scandinavian actor Marta Kristen moved to Los Angeles in 1959 with her adoptive parents. She found work acting in series like “My Three Sons” and “Leave It to Beaver.”
After her three seasons on “Lost in Space” as Judy Robinson, Kristen’s most memorable performances were in “Terminal Island” and “Battle Beyond the Stars.”
Angela Cartwright played Penny, the middle Robinson child, in “Lost in Space.” Following the show, Cartwright starred as Brigitta von Trapp in The Sound of Music.
Aside from a few other roles, Cartwright’s career has mostly been in publishing via her “Pasticcio quartz” journal and book collaborations with “Lost in Space” co-star Bill Mumy.
Will Robinson actor Bill Mumy has appeared in several movies and shows following “Lost in Space,” such as “Bless the Beasts and the Children” and “Babylon 5.”