Broadway theatre | West End theatre | musical theatre | Royal National Theatre | theatre | Royal Court Theatre | American Ballet Theatre | Musical theatre | National Theatre | Theatre Royal, Drury Lane | Bolshoi Theatre | Abbey Theatre | Haymarket Theatre | Theatre Royal | Play (theatre) | Globe Theatre | Theatre | Mariinsky Theatre | Manhattan Theatre Club | Lyric Theatre | Théâtre du Châtelet | Her Majesty's Theatre | Grand Théâtre de Genève | Théâtre des Champs-Élysées | Theatre 625 | Goodman Theatre | Sydney Theatre Company | Lyceum Theatre, London | Gaiety Theatre, London | Almeida Theatre |
Some of the theatres that have developed and performed his works include New York’s Public Theater, New York Theatre Workshop, Pasadena Playhouse, McCarter Theatre, Oregon Shakespeare Festival, South Coast Repertory, The Alliance, New Theatre, Florida Stage and the Coconut Grove Playhouse.
It was originally workshopped at the McCarter Theatre in 1988, given a full staging at the McCarter in 1990, and was subsequently moved by the McCarter to Lamb's Theatre in New York City, New York in 1990 and had 475 performances.
Regional theaters employing Hilferty's costumes have included the Guthrie Theater, La Jolla Playhouse, Goodman Theatre, Court Theatre, Berkeley Rep, Yale Rep, McCarter Theatre, Alliance Theatre, Indiana Rep, Kennedy Center, Williamstown Theatre Festival, and American Conservatory Theater.
In addition to his roles in film and television, his resume includes numerous theatrical credits, with performances in plays both on and off Broadway, including: Ridiculous Fraud at the McCarter Theatre; Billy Budd at the Circle in the Square Theatre; Someone to Watch Over Me with the Denver Theatre Company; The Merchant of Venice on the Hartford Stage; and the national tour of The Lion in Winter.