Broadway theatre | West End theatre | musical theatre | Alice's Adventures in Wonderland | Royal National Theatre | theatre | Royal Court Theatre | American Ballet Theatre | The Adventures of Tintin | Musical theatre | National Theatre | Theatre Royal, Drury Lane | Bolshoi Theatre | Fringe | Abbey Theatre | Haymarket Theatre | Fringe (TV series) | Adventures of Superman | Lois & Clark: The New Adventures of Superman | Theatre Royal | Play (theatre) | Globe Theatre | Edinburgh Festival Fringe | Theatre | Mariinsky Theatre | Manhattan Theatre Club | Lyric Theatre | Adventures of Superman (TV series) | Théâtre du Châtelet | Her Majesty's Theatre |
As an actress, Northan has worked in theatres across Canada including Theatre Calgary, Manitoba Theatre Centre, Fringe Theatre Adventures (Edmonton), Quest Theatre (touring theatre for young people) and Alberta Theatre Projects where she appeared in the Fall Ensemble and playRites, a festival of new Canadian Work.