All New & Returning Characters
David Craig The Robinson family returns for one final galactic mission. Here's a guide to Lost in Space season 3's cast, including the new characters.
Lost in Space season 3 brings back the Robinson family for a final galactic adventure, and they are joined by some new and familiar faces. Netflix's sci-fi series rebooted the CBS TV show of the same name from the 60s for a brand new generation and with the help of advances in CGI. It follows the Robinson family as they are repeatedly left in precarious situations in the cosmos as they attempt to make it to humanity's new colony on Alpha Centauri.
Picking up a year after Lost in Space season 2's finale, season 3 primarily focuses on the separation of the Robinson children and their parents and their individual journies to unite. While the Robinson kids settled with nearly a hundred other kids after some trouble getting to Alpha Centauri, the parents previously aboard the Resolute continued their own quest to make it to the colony safely. These tasks are more dangerous than either imagines at first due to the legion of alien robots hunting the humans down to try and find Will Robinson and Alpha Centauri.
Thanks to this story, Lost in Space season 3 is filled with new and returning cast members. Most of the usual faces from the previous two seasons are back, and there are a few notable new additions as well. Here's a guide to Lost in Space season 3's cast and characters.
Molly Parker as Maureen Robinson
Molly Parker's Maureen Robinson is the true leader of the Robinson family. She's a highly trained aerospace engineer and usually the smartest person in the room, although Maureen struggles in Lost in Space season 3 due to the separation with her kids. Molly Parker once again plays Maureen. She's best known outside of this show for playing Jackie Sharp in Netflix's House of Cards.
Toby Stephens as John Robinson
John Robinson returns in Lost in Space season 3 with a more grizzled look than seasons past. He's determined to find a way back to his kids and willing to do whatever it takes to make that happen and make up for the lost time. Prior to starring in the sci-fi series, Toby Stephens earned great acclaim for his performance as Captain Flint in Black Sails.
Maxwell Jenkins as Will Robinson
Will Robinson is the youngest of the Robinson children, but he's carrying a bigger burden in Lost in Space season 3. Thanks to his special connection to Robot, he is being hunted by the other robots and understands the risks he'll have to take to keep his family safe. Maxwell Jenkins returns to play Will Robinson, although he looks quite different this time around due to the gap between season 2 and 3. He recently appeared opposite Mark Wahlberg in Joe Bell.
Taylor Russell as Judy Robinson
Judy Robinson is the oldest of the Robinson children and captain of the Jupiter 2. She's put her expertise as a doctor on the back burner as she assumes the leadership role and all of the responsibilities that come with it. Taylor Russell once again plays Judy in Lost in Space season 3 after recently starring in Escape Room: Tournament of Champions.
Mina Sundwall as Penny Robinson
Penny Robinson is the middle child of the Robinson kids and became a bit more rebellious after season 2. She's caught in a love triangle now and still constantly doubts her own importance. Mina Sundwall returns as Penny after also playing Lita in Legends of Tomorrow seasons 5 and 6.
Ignacio Serricchio as Don West
Lost in Space season 3's cast also includes the smuggler turned helpful mechanic who has become a true member of the Robinson family by the time season 3 begins. Don West is back to lend a hand whenever needed and keep a watchful eye on his pet chicken. Ignacio Serricchio is also known for his appearances in Good Girls and Bones.
Parker Posey as Dr. Zoe Smith
Parker Posey returns as "Dr. Zoe Smith" in Lost in Space season 3. Smith managed to survive the season 2 finale after becoming a stowaway on Jupiter 2 and living with the kids for the last year. Parker Posey has had a great career before the Netflix show, including roles in Scream 3, Superman Returns, and Blade: Trinity.
Lost In Space Season 3 Supporting Cast & Characters
Ajay Friese as Vijay Dhar - Lost in Space season 3's cast returns Vijay as one of Penny's love interests. Friese also can be seen in Riverdale.
Raza Jaffrey as Victor Dhar - The Code Black actor returns as Vijay's father.
Shaun Parkes as Captain Radic - The former Resolute captain returns following Smith's season 2 tricks.
Nevis Unipan as Samantha - She's the daughter of someone Smith killed and lives with the Robinson kids.
Tattiawna Jones as Ava - A friend of Don West's and fellow mechanic, Jones was previously in The 100.
Russell Hornsby as Grant Kelly - Judy's biological father and an astronaut is played by The Hate U Give's star.
Charles Vandervaart as Liam Tufeld - Penny's new love interest, Vandervaart joins Lost in Space's season 3 cast after a role in The Craft: Legacy.
Douglas Hodge as Hastings - Previously attempted to overthrow the Resolute, Hodge played Alfred Pennyworth in Joker.
Karen LeBlanc as Chancellor - The Frontier actress joins Lost in Space season 3's cast as the Chancellor of Alpha Centauri.
