As a radio producer, Kevin O'Connor made hundreds of features and dozens of documentaries, notably A Death In January (1982) about the maverick Sean Bourke who engineered the prison escape in London of the KGB spy George Blake and The Limerick Soviet about a then relatively unknown episode during the War of Independence.

As a writer he has published Ironing the Land (railways) Thou Shalt Not Kill (crime) Blake and Bourke(espionage) and most recently a biography of the Russian-Irish painter, Harry Kernoff