Crispin Letts appeared as builder Les Smith in Coronation Street in November and December 1989. He has also appeared in French and Saunders, Vanity Fair, Down to Earth, Doctors, The Bill and Silent Witness. His cinema appearances include The Angry Earth and Skyfall while on stage he acted in the English Touring Theatre Company Tour of Henrik Ibsen's play Hedda Gabler. He is the son of the late Barry Letts who appeared as Mr. Wentworth in October and November 1961 and the nephew of Pauline Letts who appeared as Bridget Brennan in May and June 1988.