Steven O'Neill trained at the Royal Central School of Speech and Drama and has had an extensive theatre and television career.
Most recently Steven can be seen in Feature Film Flight Of Bryan directed by James Erskine.
On TV, he has appeared as Neil Pointon in Holby City (BBC One), Alec Fallon in Doctors (BBC One), the critically acclaimed Netflix series The Crown, Goodbye My Love (Granada), Kavanagh QC (Carlton Television), My Family, Friends and Crocodiles, Sensitive Skin, Fear of Fanny, Olivier Twist, Garrow's Law and M.I. High, Eastenders, Luther and Dark Money (all for the BBC), The Frankenstein Chronicles (ITV) and The Enfield Haunting for (Eleven Film Ltd/BSkyB).
Some of Steven's theatre credits include A Midsummer Night's Dream with the Royal Shakespeare Company, Hamlet and Twelfth Night with Birmingham Repertory Theatre, David Copperfield at the West Yorkshire Playhouse, The Rat Trap at Finborough Theatre, Indian Ink at Salisbury Playhouse, A Midsummer Night's Dream at Zurich Opera House, Hound of the Baskervilles with Oldham Coliseum, Two Little Boys at Nottingham Lakeside Theatre and Theatre Renegade at Bush Theatre.
He can next be seen in a Small Axe, a new BBC project directed by Steve McQueen that draws on narratives from inside London's West Indian community.