Having begun his career as an actor and theatre director, Mervyn has writing credits for Television and the Theatre.

Mervyn in his time at the BBC was Executive Producer on CASUALTY (series 17 – 23), for which he won a BAFTA, DOWN TO EARTH (3 series), DALZIEL AND PASCOE (3 series), and he was Series Drama’s HD Champion.

He also was Acting Head of Drama at both BBC Television and Yorkshire Television.

Previously Mervyn was Series Producer on CASUALTY (series 16), Series Producer for 464 episodes of EMMERDALE- ITV, 700 episodes of CORONATION STREET- Granada TV, WIPEOUT- Granada TV, FLOODTIDE- Granada TV, FIRST AMONG EQUALS- Granada TV and KNIFE EDGE, also for Granada TV.