Derek Etchells played five similar but different parts on Coronation Street: * A Policeman in the Lake District in October 1969 * A Policeman in April 1971 * P.C. 243 in March and June 1973 * PC Thompson in August of the same year * P.C. Smith in February 1974. He also appeared in The Dustbinmen, Last of the Summer Wine, The Liver Birds and Whatever Happened To The Likely Lads?.