Lost in Space Cast Then and Now


“Lost in Space,” a pioneering sci-fi series that first aired in the 1960s, transported audiences into a thrilling futuristic world. The show followed the adventures of the Robinson family, a group of space travelers whose mission to colonize Alpha Centauri goes awry, leaving them stranded in uncharted space.

Their journey, filled with perilous encounters, alien worlds, and the iconic catchphrase “Danger, Will Robinson!” from the robot companion, became ingrained in popular culture. As the show made its mark, the cast members took their roles to heart, imprinting their characters with depth and personality that resonated with audiences.

“Lost in Space” Cast: Then and Now

Guy Williams (John Robinson)

Guy Williams portrayed Professor John Robinson, the head of the Robinson family. Post-“Lost in Space,” Williams continued his acting career in various TV shows and films. He left an enduring legacy in the hearts of fans, thanks to his memorable performance as the patriarch of the Robinsons.

June Lockhart (Maureen Robinson)

June Lockhart brought Maureen Robinson, the nurturing and resourceful mother, to life on the screen. Post-“Lost in Space,” Lockhart continued her acting career, appearing in several television series and becoming an enduring figure in the entertainment industry.

Mark Goddard (Major Don West)

Mark Goddard depicted Major Don West, the capable pilot and space explorer. Post-“Lost in Space,” Goddard continued acting in various TV shows and films. He maintained a connection with fans, occasionally appearing at conventions and events related to the show.

Marta Kristen (Judy Robinson)

Marta Kristen played Judy Robinson, the eldest daughter in the Robinson family. Post-“Lost in Space,” Kristen pursued acting in TV shows and films. She ventured into various roles, showcasing her talent and versatility as an actress.

Angela Cartwright (Penny Robinson)

Angela Cartwright portrayed Penny Robinson, the youngest daughter known for her curiosity and warmth. Post-“Lost in Space,” Cartwright continued her acting career and explored other creative pursuits, including photography and writing.

Bill Mumy (Will Robinson)

Bill Mumy immortalized the character of Will Robinson, the youngest member of the Robinson family. Post-“Lost in Space,” Mumy remained active in the entertainment industry, acting in TV shows and pursuing music, showcasing his multi-talented nature.

Jonathan Harris (Dr. Zachary Smith)

Jonathan Harris portrayed the memorable and cunning antagonist turned anti-hero, Dr. Zachary Smith. Post-“Lost in Space,” Harris continued acting in various roles, making a mark with his distinct voice and acting prowess.

Present-Day Pursuits

Following the conclusion of “Lost in Space,” the cast members took diverse paths. While some continued their acting careers in television and film, others explored creative endeavors or shifted focus to different interests. Their varied pursuits showcased their adaptability and enduring passion beyond their roles in the iconic sci-fi series.


“Lost in Space” remains a cornerstone of science fiction television, cherished for its imaginative storytelling and memorable characters. The actors’ contributions to the series left an indelible mark on the hearts of viewers, making them an integral part of television history.

As audiences reminisce about the Robinson family’s interstellar journey, they also celebrate the diverse and evolving careers of the cast members post the show. Their resilience, talent, and lasting impact on the entertainment industry continue to resonate, underscoring their enduring influence in the realm of science fiction television.

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