| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Wałbrzych, Plac Teatralny 1 | 1975-05-17 | -- | 1975 | 1 | |
| The Questors Studio | The Questors Studio | England, London, 12 Mattock Ln | 1975-05- | 2017-12-05 | 1975–2015 | 4 | |
| Teatr Wspólczesny | Teatr Współczesny | Poland, Warsaw, ul. Mokotowska 13 | 1975-04-16 | -- | 1975–1981 | 2 | |
| Teatro Giulia di Barolo | Teatro Giulia di Barolo | Italy, Torino, piazza Santa Giulia, 2 - 10124 | 1975-04-10 | -- | 1975 | 1 | |
| Teatro Fabbricone | Teatro Fabbricone | Italy, Prato, Via Ferdinando Targetti, 12 | 1975-03-18 | 1980-05-11 | 1975–2002 | 5 | |
| Teatro S. Remigio | Teatro S. Remigio | Italy, Torino, Via Chiala 4 | 1975-03-12 | -- | 1975 | 1 | |
| Theater im Kärntnertor | Ensemble Theater im Kärntnertor | Austria, Wien, Walfischgasse 4 | 1975-03-01 | -- | 1975 | 1 | |
| Teatro Duomo di Chieri | Teatro Duomo di Chieri | Italy, Chieri, Via Balbo, 8, 10023 | 1975-02-28 | -- | 1975 | 1 | |
| Teatro Juvarra | Teatro Juvarra | Italy, Torino, Via Juvarra 13, 10128 | 1975-02-23 | 1975-02-25 | 1975 | 1 | |
| Teatro Sperimentale | Teatro Sperimentale | Italy, Pesaro, Via Gioacchino Rossini | 1975-02-10 | 2005-02-06 | 1975–2005 | 2 | |
| Teatro Gobetti | Teatro Gobetti | Italy, Torino, Via Gioacchino Rossini, 8 | 1975-02-07 | 1975-05-14 | 1975–1981 | 4 | |
| Trinity Repertory Company | Trinity Repertory Company | United States of America, Providence, 201 Washington St. | 1975-01-07 | 1998-03-01 | 1975–1998 | 2 | |
| Théâtre de Poche | Théâtre de Poche | Belgium, Brussels, 1000 City of Brussels | 1975-- | -- | 1975 | 1 | |
| Thorndike Theatre, Leatherhead | Thorndike Theatre, Leatherhead | England, Leatherhead, Surrey | 1974-10-22 | 1974-11-09 | 1974 | 1 | |
| Terrazza dei Signori | Terrazza dei Signori | Italy, Santarcangelo di Romagna, Contrada dei Signori, 41 | 1974-07-21 | -- | 1974 | 1 | |
| Teatro Donizetti | Teatro Donizetti | Italy, Bergamo, Piazza Cavour, 15 | 1974-02-16 | -- | 1974–1994 | 3 | |
| The Vancouver Playhouse | The Vancouver Playhouse | Canada, Vancouver | 1974-01-27 | -- | 1974 | 1 | |
| Theater Trier | Theater Trier | Germany, Trier, Am Augustinerhof 1 | 1974-01-24 | 2012-06-09 | 1974–2012 | 3 | |
| Théâtre Maxime Gorki | Théâtre Maxime Gorki | France, Le Petit-Quevilly, Rue François Mitterrand | 1973-10-29 | 2005-01-27 | 1973–2005 | 3 | |
| Trondhjems Katedralskole | Trondhjems Katedralskole | Norway, Trondheim | 1973-10-17 | -- | 1973 | 1 | |
| Teatro del Ángel | Teatro del Ángel | Chile, Santiago | 1973-07-27 | -- | 1973 | 1 | |
| Teatro Leopoldina | Teatro Leopoldina | Brazil, Porto Alegre | 1973-07- | -- | 1973 | 1 | |
| Teatro Marilia | Teatro Marilia | Brazil, Belo Horizonte, Av. Prof Alfredo Balena | 1973-07- | -- | 1973 | 1 | |
| Teatro Nacional | Teatro Nacional | Brazil, Brasilia, Eixo Rodoviário | 1973-07- | -- | 1973–1983 | 2 | |
| Teatr Dramatyczny | Teatr Dramatyczny | Poland, Warsaw, Plac Defilad 1 | 1973-06-03 | 2007-05-18 | 1973–2007 | 4 | |
| The Octagon Theatre | The Octagon Theatre | England, Bolton, Howell Croft S | 1973-05-29 | 2015-10-31 | 1973–2015 | 3 | |
| Theatre, Greenwich | Greenwich Theatre | England, London, Crooms Hill | 1973-05-16 | 2018-09-29 | 1973–2018 | 7 | |
| Teatrul Toma Caragiu Ploiesti | Teatrul Toma Caragiu Ploiesti | Romania, Ploieşti, Str. Toma Caragiu 13 | 1973-05-11 | -- | 1973 | 1 | |
| Theater De Brakke Grond | Theater De Brakke Grond | Netherlands, Amsterdam, Nes 45 | 1973-04-13 | 2014-04-12 | 1973–2014 | 4 | |
| Teatr Polski im. Hieronima Konieczki | Teatr Polski im. Hieronima Konieczki | Poland, Bydgoszcz, Aleje Adama Mickiewicza 2 | 1973-04-08 | -- | 1973–1981 | 2 | |
| Teatro Piccinni | Teatro Piccinni | Italy, Bari | 1973-03-22 | 2006-10-22 | 1973–2006 | 6 | |
| Teatro Duse | Teatro Duse | Italy, Bologna, Via Cartoleria, 42 | 1973-02-07 | 2020-01-19 | 1973–2020 | 14 | |
| Teatrul Naţional Târgu Mureș | Teatrul Naţional Târgu Mureș | Romania, Târgu Mureş, Piața Teatrului, nr. 1 | 1973-01-27 | 2019-01-25 | 1973–2022 | 9 | |
| Teatro Sha | Teatro Sha | Argentina, Buenos Aires, Sarmiento 2255, | 1973-- | -- | 1973 | 1 | |
| Teatro Alfieri | Teatro Alfieri | Italy, Asti, Via Teatro Alfieri, 2 | 1972-12-13 | -- | 1972–2012 | 2 | |
| Theater Oberhausen | Theater Oberhausen | Germany, Oberhausen, Will-Quadflieg-Platz 1 | 1972-12-05 | 2018-05-05 | 1972–2018 | 17 | |
| Teatro da Trindade | Teatro da Trindade | Portugal, Lisboa, Largo da Trindade, 7-a | 1972-11-21 | 2021-07-31 | 1972–2021 | 2 | |
| Toronto Free Theatre | Toronto Free Theatre | Canada, Toronto | 1972-11-10 | -- | 1972–1973 | 2 | |
| Trondheim | Trondheim | Norway, Trondheim | 1972-11-09 | -- | 1972–2015 | 2 | |
| Teatrul de Nord Satu Mare | Teatrul de Nord Satu Mare | Romania, Satu Mare, str. Horea nr. 3. | 1972-06-03 | 2008-05-31 | 1972–2014 | 5 | |
| Teatro Capitólio | Teatro Capitólio | Portugal, Lisbon, Parque Mayer | 1972-05-31 | -- | 1972 | 1 | |
| Theatre de la Tempete | Théâtre de la Tempête | France, Paris, route du Champ de manoeuvre | 1972-05-31 | 2024-03-31 | 1972–2024 | 4 | |
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