David Mark Joseph Morrissey is an English actor and filmmaker. Noted for the meticulous preparation and research he undertakes for each role, he has been described by the British Film Institute as one of the most versatile English actors of his generation.

One Summer is a 1983 British television drama serial written by Willy Russell and directed by Gordon Flemyng. It stars David Morrissey and Spencer Leigh as two 16-year-old Liverpool boys from broken homes who escape from their grim lives by running away to Wales one summer. It also starred James Hazeldine and Ian Hart. The five-part series was shown on Channel 4 from 7 August to 4 September 1983. It was repeated on ITV in April 1985.