| <table border="1"> | |
| <tr><td>Year</td><td>Title</td><td>Role</td><td>Notes</td></tr> | |
| <tr><td>1995</td><td>The Tempest</td><td>Prospero</td><td>For the New York Shakespeare Festival, with the production later transferring to Broadway</td></tr> | |
| <tr><td>1997</td><td>Othello</td><td>Othello</td><td>The Shakespeare Theatre Company's (Washington, D.C.) "photo negative" production of a white Othello with an otherwise all-black cast</td></tr> | |
| <tr><td>2000</td><td>The Ride Down Mt. Morgan</td><td>Lyman Felt</td><td>On 9 April 2000, Stewart opened in Arthur Miller's The Ride Down Mt. Morgan at the Broadway Ambassador Theatre.</td></tr> | |
| <tr><td>2001</td><td>Who's Afraid of Virginia Woolf?</td><td>George</td><td>Edward Albee's play at the Guthrie in Minneapolis</td></tr> | |
| <tr><td>2001</td><td>Johnson Over Jordan</td><td>Robert Johnson</td><td>J.B. Priestley's play at the West Yorkshire Playhouse in Leeds</td></tr> | |
| <tr><td>2003</td><td>The Master Builder</td><td>Halvard Solness</td><td>Henrik Ibsen's play at the Albery Theatre, London</td></tr> | |
| <tr><td>2003</td><td>The Caretaker</td><td>Davies</td><td>Harold Pinter's play in Broadway's American Airlines Theatre</td></tr> | |
| <tr><td>2006</td><td>The Tempest</td><td>Prospero</td><td>At the Royal Shakespeare Theatre and then the Novello Theatre</td></tr> | |
| <tr><td>2006</td><td>Antony and Cleopatra</td><td>Mark Antony</td><td>At the Swan Theatre, for the Royal Shakespeare Company as part of the cycle performing all Shakespeare's works in a year</td></tr> | |
| <tr><td>2007</td><td>A Christmas Carol</td><td>All</td><td>By Charles Dickens. Played 40 roles in a one-man performance at the Albery Theatre in the West End of London.</td></tr> | |
| <tr><td>2007</td><td>Twelfth Night</td><td>Malvolio</td><td>At Chichester Festival Theatre's 2007 summer festival with a Scottish accent and kilt in Philip Franks' main house staging</td></tr> | |
| <tr><td>2007</td><td>Macbeth</td><td>Macbeth</td><td>In Rupert Goold's revival in the Minerva studio theatre. The Chichester production of Macbeth transferred to the Gielgud Theatre in London's Shaftesbury Avenue.</td></tr> | |
| <tr><td>2008</td><td>Macbeth</td><td>Macbeth</td><td>At the Brooklyn Academy of Music in New York City</td></tr> | |
| <tr><td>2008</td><td>Macbeth</td><td>Macbeth</td><td>At the Lyceum Theatre, New York</td></tr> | |
| <tr><td>2008</td><td>Hamlet</td><td>Claudius and the Ghost</td><td>Alongside David Tennant as the eponymous Hamlet with the Royal Shakespeare Company in Stratford-upon-Avon. This was later made into a television play and broadcast on BBC1 on 26 December 2009.</td></tr> | |
| <tr><td>2009</td><td>Waiting for Godot</td><td>Vladimir (Didi)</td><td>Alongside Ian McKellen as Estragon (Gogo)</td></tr> | |
| <tr><td>2010</td><td>Bingo: Scenes of Money and Death</td><td>William Shakespeare</td><td>By Edward Bond at the Chichester Festival Theatre, transferring to the Young Vic Theatre in February 2012. This was a role he had first performed in 1976 at The Other Place, Stratford.</td></tr> | |
| <tr><td>2011</td><td>The Merchant of Venice</td><td>Shylock</td><td>In Rupert Goold's production</td></tr> | |
| </table> | |