| Year,Title,Role,Notes | |
| 1979,Hamlet,Hamlet,- | |
| 1980,The Suicide,Semyon Semyonovich Podsekalnikov,Nominated—Drama Desk Award for Outstanding Actor in a Play | |
| 1982–1985,Much Ado About Nothing,Signior Benedick of Padua,Tony Award for Best Actor in a Play Nominated—Drama Desk Award for Outstanding Actor in a Play | |
| 1983–1985,Cyrano de Bergerac,Cyrano de Bergerac,Critics Circle Theatre Award Best Actor Laurence Olivier Award for Actor of the Year in a Revival Nominated—Drama Desk Award for Outstanding Actor in a Play | |
| 1986–1988,Breaking the Code,Alan Turing,Nominated—Drama Desk Award for Outstanding Actor in a Play Nominated—Laurence Olivier Award for Best Actor Nominated—Tony Award for Best Actor in a Play | |
| 2000,Uncle Vanya,Ivan Petrovich Voinitsky,Nominated—Drama Desk Award for Outstanding Actor in a Play | |
| 2009,Twelfth Night,Malvolio,Laurence Olivier Award for Best Actor | |
| 2010,King Lear,King Lear,- | |
| 2016,Romeo and Juliet,Mercutio,- | |