An alien robot being that Will Robinson encounters following the crash. The robot has a urge to protect Will and warns him with "Danger Will Robinson!"
Ignacio Serricchio
Don West
Ship's mechanic and smuggler of luxury goods. He is accompanied by Debbie, which he calls his lucky chicken.
Kiki
Debbie The Chicken
Don West's luck bringing chicken.
Maxwell Jenkins
William Robinson
Has a tight bond with the Robot, which he saves from destruction during a forest fire.
Mina Sundwall
Penny Robinson
Likes to go on a adventure if there's the opportunity.
Molly Parker
Maureen Robinson
An aerospace engineer taking her family on the mission to colonize Alpha Centauri in hopes of building a new life on a better world. Married to John Robinson, she is the biological mother of Judy, Penny, and Will Robinson.
Parker Posey
June Harris
On the Resolute June Harris steals the identity from a psychologist named Dr. Smith. After landing on the planet, Harris attempts to sabotage the colonists chances of rescue by the Resolute, all the while manipulating other survivors to avoid prosecution for her crimes.
Taylor Russell
Judy Robinson
Serves as mission doctor, having received accelerated medical training.
Toby Stephens
John Robinson
Former U.S. Navy SEAL and husband to Maureen. He is adoptive father to Judy and biological father to Penny and Will.
Lost In Space supporting cast
Adam Greydon Reid
Peter Beckert
Ajay Friese
Vijay Dhar
Victor's son and Penny's love interest.
Amelia Burstyn
Diane
AnnaMaria Demara
Tam Roughneck
Bill Mumy
Dr. Smith
The actual Dr. Smith who's identity has been stolen by June Harris.
Cary-Hiroyuki Tagawa
Hiroki Watanabe
Scientist and friend of Maureen Robinson.
Charles Vandervaart
Liam Tufeld
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Douglas Hodge
Alistair Hastings
Iain Belcher
Evan
J.J. Feild
Benjamin Adler
Kiki Sukezane
Aiko Watanabe
Hiroki's granddaughter
Nevis Unipan
Samantha
Raza Jaffrey
Victor Dhar
Victor Dhar's role on the 24th colonist group is to lead the people once they have arrived on Alpa Centauri. Not everything has gone as planned, but he tries his best to keep de colonists save and united in the dangerous circumstances.
He is also the father of Vijay Dhar.
Rob Labelle
Mr. Jackson
Russell Hornsby
Grant Kelly
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Sakina Jaffrey
Captain Kamal
Selma Blair
Jessica Harris
Shaun Parkes
Captain Radic
Captain Radic, commander of the Resolute.
Sibongile Mlambo
Angela Goddard
A fellow survivor struggling with post traumatic stress disorder in the wake of her husband's death during the attack on the Resolute.
Tattiawna Jones
Ava
Veenu Sandhu
Prisha Dhar
Wife of Victor Dhar and mother of Vijay Dhar.
VFX team
S.A.R.
S.A.R. is an abbreviation the Robinsons came up with for Second Alien Robot
VFX team
Scarecrow
VFX team
T.H.A.R.
Leader of the robots attacking the Resolute in season 2.
VFX team
Sally
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