Complex sentence: Best known internationally for her role as Kate Wellings in the drama series "The Flying Doctors", her first big break came in the soap opera "The Restless Years" when she played Diane Archer from 1978 to 1980.
Split into simpler sentences: Best known internationally for her role as Kate Wellings in the drama series "The Flying Doctors". Her first big break came in the soap opera "The Restless Years" when she played Diane Archer from 1978 to 1980.