What characters did Trevor Bannister play on Coronation Street and when?

Trevor Bannister played the character of Derek Wilton on "Coronation Street" from 1976 to 1984. He was known for his humorous and somewhat hapless personality, often finding himself in comedic situations. Bannister also portrayed a character named "The Man in the Black Suit" in a brief appearance in 1980. Derek Wilton remains his most notable and memorable role in the series.