Norman Gregory made irregular appearances on Coronation Street between September 1975 and November 1978 as Det. Con. Thornton. (The character was seconded in January 1978 and was therefore credited as "Det. Sgt. Thornton" for one appearance).
With many years of acting experience in film, television, theatre, as well as numerous corporates and high profile TV commercials worldwide, some of his other screen credits include roles in A Bridge Too Far, Hazell, The Professionals, Play for Today, Brookside, Juliet Bravo, Soldier Soldier, Taggart, Heartbeat, Wycliffe, Drop the Dead Donkey, Grafters, The Bill and Inspector Lewis.