Premise: Elisabeth Clara Heath-Sladen ( 1 February 1946 -- 19 April 2011 ) was an English actress best known for her role as Sarah Jane Smith in the British television series Doctor Who . She subsequently starred in other roles on both television and radio , before semi-retiring to bring up a family in the mid-1980s .
Hypothesis: Elisabeth Sladen starred in radio and television roles.
Label: ENTAILMENT