<P> Susan Oliver ( February 13 , 1932 -- May 10 , 1990 ) was an American actress , television director and aviator . </P>
<P> Susan Oliver ( February 13 , 1932 -- May 10 , 1990 ) was an American actress , television director and aviator . </P>
who played cousin millie on father knows best
who played cousin millie on father knows best
Susan Oliver
Susan Oliver