Updated: October 06, 2025

Penny Robinson, portrayed by Angela Cartwright, is a key character in the classic television series "Lost in Space," known for her adventurous spirit and resourcefulness.

Character Overview:

Penny Robinson is one of the central characters in the 1960s science fiction television series "Lost in Space," which aired from 1965 to 1968. She is the middle child of the Robinson family, who are space colonists stranded on an alien planet. Penny is characterized by her curiosity, intelligence, and a strong sense of adventure, often finding herself in various predicaments alongside her family and the robot companion, B-9.

Angela Cartwright, born on September 9, 1952, is the actress who played Penny Robinson. She gained fame as a child actress, previously known for her role as Brigitta von Trapp in the film "The Sound of Music" ( 1965 ). Cartwright's portrayal of Penny Robinson made her a beloved character among fans of "Lost in Space." Throughout the series, she showcased a range of emotions and skills, contributing significantly to the show's dynamic.

Cultural Impact:

Penny Robinson's character has remained a memorable part of science fiction television history. The series itself has seen various adaptations and reboots, including a 2018 Netflix series, which reimagined the Robinson family and introduced new characters while paying homage to the original series. Angela Cartwright has also made appearances in discussions and retrospectives about the show, reflecting on her experiences and the character's legacy.

In summary, Penny Robinson is a significant character in "Lost in Space," portrayed by Angela Cartwright, whose adventurous spirit and resourcefulness have left a lasting impression on fans of the series.