Judy Robinson is one of the main characters in the Netflix series Lost in Space.


The oldest of the three Robinson children. Judy is Maureen's biracial daughter from her first marriage. Athletic and confident, her edge comes from her willingness to push herself harder than anyone else. She never knew her biological father, and John adopted her as his own. She took her parents'breakup harder than anyone, and resents John for it. She’s the only trained doctor amongst the surviving colonists and in a coming of age journey, she finds herself struggling to live up to her responsibilities.