Martin McNamara's plays have been broadcast on BBC Radio Four and produced in many London theatres, including Soho Theatre, Theatre 503, Lion & Unicorn, Bread & Roses, JW3, N16 Theatre, London Irish Centre and the Bunker, as well as in Wandsworth Prison.  

His play about the Guildford Four, Your Ever Loving, played at the Underbelly, Edinburgh in 2017, and was named best drama of the Festival.

His scripted short films have been selected for festivals around the world. He won the BBC Northern Ireland/Tony Doyle bursary.

His non-fiction book, When Sean Became James, was published by SunRise Publishing in 2022.

He has worked as a print journalist, radio documentary-maker and TV news producer.

His adaptation of Brendan Behan’s Borstal Boy. starring Brendan Coyle, was broadcast on Radio Four in 2023 to mark the writer’s 100th anniversary. 

Currently he is working with producers and film-makers on several feature film projects.