Angela Margaret Cartwright is an English-born actress primarily known for her 
roles in movies and television. Cartwright is best known as a child actress for 
her role as Danny Williams’s (played by Danny Thomas) stepdaughter Linda 
in the 1950s CBS- TV series Make Room For Daddy (a role she played from  
1957 to 1964), and as Penny Robinson in the 1960s CBS-TV Sci-fi series
Lost In Space.

 
Danny Thomas and Angela Cartwright in Make Room For Daddy

 

The Lost In Space cast from left: Angela Cartwright, Mark Goddard, Marta
Kristen, Bob May (as the Robot), Jonathan Harris, June Lockhart, Guy
Williams, and Billy Mumy.