| Year | Title | Role | Notes |
|---|
| 1983 | The Killing Of Mr. Toad by David Gooderson | Alistair Graham, Mr. Toad | The King's Head Theatre, London, director David Gooderson |
| 1983, 1984 | Sufficient Carbohydrate by Dennis Potter | Clayton Vosper | Hampstead Theatre and Albery Theatre, London, director Nancy Meckler |
| 1985 | Torch Song Trilogy (Part 2: 'Fugue in a Nursery') by Harvey Fierstein | Alan | Albery Theatre, London, director Robert Allan Ackerman |
| 1986 | Amadeus by Peter Shaffer | Wolfgang Amadeus Mozart | Theatr Clwyd, director Simon Callow |
| 1987 | The Importance Of Being Earnest by Oscar Wilde | Algernon Moncrieff | Crucible Theatre, Sheffield, director Clare Venables |
| 1986-7 | Candida by George Bernard Shaw | Marchbanks | The King's Head Theatre, London, director Frank Hauser (director) |
| 1988 | 'Tis Pity She's a Whore by John Ford (dramatist) | Giovanni | Royal National Theatre (Olivier), London, director Alan Ayckbourn |
| 1989 | The History Of Tom Jones by Henry Fielding, adapted by Andrew Wickes | Tom Jones | Watford Palace Theatre, director Matthew Francis |
| 1989 | A Madhouse In Goa by Martin Sherman | David, Barnaby Grace | Lyric Theatre (Hammersmith) and Apollo Theatre, London, director Robert Allan Ackerman |
| 1991 | The Pitchfork Disney by Philip Ridley | Presley Stray | Bush Theatre, London, director Matthew Lloyd |
| 1992 | A Midsummer Night's Dream by William Shakespeare | Lysander | Royal National Theatre (Olivier), London, director Robert Lepage |
| 1994 | Toyer by Gardner McKay | Peter Matson | Redgrave Theatre, Farnham, director Wyn Jones |
| 1995 | Design for Living by Noël Coward | Otto | Gielgud Theatre, London, director Sean Mathias |
| 1996 | Les Enfants du Paradis by Jacques Prévert, adapted by Simon Callow | Baptiste | Barbican Centre, London, director Simon Callow |
| 1997, 1998 | Hurlyburly by David Rabe | Eddie | Peter Hall Company at the Old Vic and Queen's Theatre, London, director Wilson Milam |
| 1998 | The Iceman Cometh by Eugene O'Neill | Don Parrit | Almeida Theatre, London, director Howard Davies (director) |
| 1999 | Closer by Patrick Marber | Dan | Music Box Theater, Broadway, director Patrick Marber |
| 2000, 2000–01 | The Caretaker by Harold Pinter | Mick | Yvonne Arnaud Theatre, Guildford, and Comedy Theatre, London, director Patrick Marber |
| 2001 | Speak Truth To Power: Voices From Beyond The Dark by Ariel Dorfman | Third Voice | Playhouse Theatre, London, director Gari Jones |
| 2002 | The Elephant Man by Bernard Pomerance | Dr. Frederick Treves | Royale Theatre, Broadway, director Sean Mathias |
| 2003 | A Woman of No Importance by Oscar Wilde | Lord Illingworth | Theatre Royal Haymarket, London, director Adrian Noble |
| 2004 | Dumb Show by Joe Penhall | Greg | Royal Court Theatre, London, director Terry Johnson (dramatist) |
| 2006 | The Exonerated by Jessica Blank and Erik Jensen | Kerry | Riverside Studios, London, director Bob Balaban |
| 2018 | Pinter Five – The Room/Victoria Station/Family Voices by Harold Pinter | Bert Hudd/Driver/Voice Three | Harold Pinter Theatre, London, director Patrick Marber |
