Louise O'Neill is an Irish author who writes primarily for young adults. Her books include Only Ever Yours and Asking For It, which won Book of the Year at the Irish Book Awards.

Kathryn O'Reilly is a British actress and writer who works in theatre, film and television. Her plays include: Poisoned Polluted (Old Red Lion, London, 2019) and Screwed (Theatre503, London, 2016).

Author photo by John Clark Photography

Mark O'Rowe is an Irish playwright whose plays include Howie the Rookie (Bush Theatre, London, 1999), From Both Hips (Fishamble, 1997), Made in China (Abbey Theatre, Dublin, 2001), Crestfall (Gate Theatre, Dublin, 2003), Terminus (Abbey Theatre, 2007) and Our Few and Evil Days (Abbey Theatre, 2014). His version of Ibsen's Hedda Gabler was staged by the Abbey Theatre in 2015.

His screenplays include Broken (2012), based on the novel by Daniel Clay, Perrier’s Bounty (2009), Boy A (2007), based on the novel by Jonathan Trigell, and Intermission (2004).

Author photo by Ros Kavanagh.

Eloka Obi is a London-based actor and writer. His plays include Five Years with the White Man (VAULT Festival, London, 2023).

Chigozie Obioma is the author of The Fishermen, which was a finalist for the Man Booker prize 2015, and a winner of four other awards. He is a professor of English and Creative Writing at the University of Nebraska-Lincoln, and in Nigeria where where he runs various projects.

Gbolahan Obisesan is a writer and director. His plays include: Mad About the Boy (Edinburgh Fringe, 2011; UK tour 2012) and a stage adaptation of Chigozie Obioma's novel The Fishermen (HOME, Manchester, & UK tour, 2018).

He won the 2009 Jerwood Directors' Award at the Young Vic, and was the Young Vic Genesis Fellow for 2015.

He became Artistic Director of Brixton House (formerly Ovalhouse) in 2020.

Author photo by Michael Wharley

Chinonyerem Odimba is a playwright and screenwriter.

Her plays include: Black Love (Paines Plough, 2021); Unknown Rivers (Hampstead Theatre, 2019); Princess and the Hustler (Eclipse Theatre Company, Bristol Old Vic and Hull Truck Theatre co-production, 2019); Amongst the Reeds (Clean Break, Edinburgh Fringe and Yard Theatre, London, 2016); A Blues for Nia (Eclipse Theatre/BBC); His name is Ishmael (Bristol Old Vic, 2013); The Birdwoman of Lewisham (Arcola, 2015) and Joanne (Clean Break, Soho Theatre, 2015). She is a winner of the Channel 4 Playwrights' Scheme 2016 (formerly the Pearson Playwrights' Scheme).

Her screenplay Scotch Bonnet was filmed by the BBC for The Break, a series of short films.

Azuka Oforka is an actress well known for her appearances on Casualty. Her debut as a playwright, The Women of Llanrumney, was premiered at the Sherman Theatre, Cardiff, in 2024.