Sean began his career with three seasons at the Bristol Old Vic, in classics such as Othello, The Comedy of Errors, Tartuffe, School for Scandal, The Rivals and The Life of Galileo.
After working with Adrian Noble on The Fairy Queen at the Aix- en- Provence festival, he joined the Royal Shakespeare Company for plays including A Woman Killed with Kindness and The Phoenician Women directed by Katie Mitchell, Romeo and Juliet, Two Gentlemen of Verona, and The Cherry Orchard, which subsequently went on tour and then into the West End.
Other West End work includes The Home Place and Jane Eyre, in which he played Mr Rochester.
He worked at The Royal Court in The Terrible Voice of Satan, toured in The Crucible as John Proctor and played the one-legged Bradley in Matthew Warchus' National Theatre production of Buried Child.
Sean’s recent Theatre work includes: A Tale of Two Cities (Royal Theatre, Northampton and national tour); The Armour (Defibrillator at the Langham Hotel); The Hook (Royal Theatre, Northampton); Holy Warriors (Shakespeare’s Globe); The Double and The Tempest (Theatre Royal, Bath); The Soft of Her Palm (Finborough Theatre); Romeo and Juliet and The Importance of Being Earnest (Royal Lyceum, Edinburgh).
Television work include: Casualty; Lewis: How to Philosophise; Holby City; Robin Hood (2 series); Judge John Deed; Dunkirk, Silent Witness; Without Motive; Berkeley Square; A Wing and a Prayer.
Film work include: playing Guildenstern in Zefferelli's Hamlet, starring Mel Gibson; A Rather English Marriage; Finding Mallory.
Sean has regularly appeared on BBC Radio 4 and on many Audio works for Big Finish.