<Ul> <Li> Molly Parker as Maureen Robinson , a fearless and brilliant aerospace engineer taking her family on the mission to colonize Alpha Centauri for a new life on a better world . She is a mission commander . She is married to John Robinson and is the mother of three children . </Li> <Li> Toby Stephens as John Robinson , a former U.S. Navy SEAL , and husband to Maureen . He is the biological father of Maureen 's two youngest children . </Li> <Li> Maxwell Jenkins as Will Robinson , the 11 - year - old son and youngest child of Maureen and John Robinson . </Li> <Li> Taylor Russell as Judy Robinson , the 18 - year - old eldest child . She is a mission doctor , having received accelerated medical training . John is not her biological father . </Li> <Li> Mina Sundwall as Penny Robinson , the middle Robinson child . </Li> <Li> Ignacio Serricchio as Don West , a roughneck mechanical engineer who also smuggles luxury goods . </Li> <Li> Parker Posey as Dr. Smith , whose real name is June Harris . Harris is a criminal and a sociopath who uses other people 's identities to claim their belongings . Harris steals her sister Jessica 's identity and assumes her place on the colony ship . She later impersonates Dr. Zachary Smith , to take his seat on an evacuating Jupiter ship . After landing on the planet , she attempts to sabotage the Jupiters ' chances of being rescued by the Resolute while manipulating and gaslighting the survivors to avoid prosecution for her crimes . The theft of Dr. Zachary Smith 's identity is a reference to the corresponding Dr. Smith character of the original TV series . </Li> <Li> Brian Steele as the Robot , an alien mechanoid being that Will encounters on the planet that his family crash lands on . The robot has a different form from the ones on the previous series and movie . </Li> </Ul>
<Ul> <Li> Molly Parker as Maureen Robinson , a fearless and brilliant aerospace engineer taking her family on the mission to colonize Alpha Centauri for a new life on a better world . She is a mission commander . She is married to John Robinson and is the mother of three children . </Li> <Li> Toby Stephens as John Robinson , a former U.S. Navy SEAL , and husband to Maureen . He is the biological father of Maureen 's two youngest children . </Li> <Li> Maxwell Jenkins as Will Robinson , the 11 - year - old son and youngest child of Maureen and John Robinson . </Li> <Li> Taylor Russell as Judy Robinson , the 18 - year - old eldest child . She is a mission doctor , having received accelerated medical training . John is not her biological father . </Li> <Li> Mina Sundwall as Penny Robinson , the middle Robinson child . </Li> <Li> Ignacio Serricchio as Don West , a roughneck mechanical engineer who also smuggles luxury goods . </Li> <Li> Parker Posey as Dr. Smith , whose real name is June Harris . Harris is a criminal and a sociopath who uses other people 's identities to claim their belongings . Harris steals her sister Jessica 's identity and assumes her place on the colony ship . She later impersonates Dr. Zachary Smith , to take his seat on an evacuating Jupiter ship . After landing on the planet , she attempts to sabotage the Jupiters ' chances of being rescued by the Resolute while manipulating and gaslighting the survivors to avoid prosecution for her crimes . The theft of Dr. Zachary Smith 's identity is a reference to the corresponding Dr. Smith character of the original TV series . </Li> <Li> Brian Steele as the Robot , an alien mechanoid being that Will encounters on the planet that his family crash lands on . The robot has a different form from the ones on the previous series and movie . </Li> </Ul>
who played the mom in lost in space 2018
who played the mom in lost in space 2018
Molly Parker
Molly Parker