Rosemary Williams appeared as WPC Kathy Lane in Coronation Street in February 1980. She worked with Victoria Wood on her TV play Screenplay: Nearly a Happy Ending (1980) Her other roles include parts in The Cuckoo Waltz, Crown Court, The Bill, Yes, Minister and Like Father, Like Son.Her stage roles include a leading role in the London premiere of the Alan Ayckbourne play Me, Myself And I.