<P> Before they reach their destination, an alien robot breaches the Resolute's hull . Forced to evacuate the mothership in short - range Jupiter spacecraft, scores of colonists, among them the Robinsons, crash on a nearby habitable planet . There they must contend with a strange environment and battle their own personal demons as they search for a way back to the Resolute . </P> <Ul> <Li> Molly Parker as mission commander 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 . </Li> <Li> Toby Stephens as John Robinson, former U.S. Marine and husband to Maureen . He is adoptive father to Judy and biological father to Penny and Will . </Li> <Li> Maxwell Jenkins as 11 - year - old Will Robinson, who forms a tight bond with the Robot, which he saves from destruction during a forest fire . </Li> <Li> Taylor Russell as 18 - year - old Judy Robinson, who serves as mission doctor, having received accelerated medical training . </Li> <Li> Mina Sundwall as 15 - year - old Penny Robinson . </Li> <Li> Ignacio Serricchio as Don West, ship's mechanic and smuggler of luxury goods . He is accompanied by Debbie, which he calls his lucky chicken . </Li> <Li> Parker Posey as June Harris, a criminal and psychopath who assumes the identity of her sister Jessica to take her place on the colony ship and subsequently impersonates Dr. Zachary Smith during the attack to take his seat on an evacuating Jupiter ship . After landing on the planet, Harris attempts to sabotage the colonists' chances of rescue by the Resolute, all the while manipulating and gaslighting other survivors to avoid prosecution for her crimes . The theft of the doctor's identity is a reference to the corresponding character of Dr. Smith in the original television series . </Li> <Li> Brian Steele as the Robot, an alien robot being that Will encounters following the crash . The robot has a different form from the ones that appeared in the previous series and film . </Li> <Li> Sibongile Mlambo as 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 . </Li> </Ul> <Li> Molly Parker as mission commander 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 . </Li> <Li> Toby Stephens as John Robinson, former U.S. Marine and husband to Maureen . He is adoptive father to Judy and biological father to Penny and Will . </Li>

Who plays the mother in lost in space 2018