<Tr> <Th> Children </Th> <Td> 2, including Anne Kathleen Lockhart </Td> </Tr> <Tr> <Th> Parent (s) </Th> <Td> Gene Lockhart Kathleen Arthur Lockhart </Td> </Tr> <P> June Lockhart (born June 25, 1925) is an American actress, primarily in 1950s and 1960s television, also with performances on stage and in film . On two television series she played mother roles, Lassie and Lost in Space . She also portrayed Dr. Janet Craig on the CBS television sitcom Petticoat Junction (1968--70). She is a two - time Emmy Award nominee and a Tony Award winner . </P> <P> Born on June 25, 1925, in New York City, Lockhart is the daughter of Canadian - born actor Gene Lockhart, who came to prominence on Broadway in 1933 in Ah, Wilderness!, and English - born actress Kathleen Arthur Lockhart . Her grandfather was John Coates Lockhart, "a concert - singer ." </P>

Who played the mom on lost in space