| Marholia, Roman | Roman Marholia | Director, Dramaturg | | 2 | |
| Martinez, Carla | Carla Martinez | Designer | 2022 | 2 | |
| Mata, José | José Mata | Actor | 2022 | 2 | |
| Michaelian, Eric | Eric Michaelian | Actor | 2022 | 2 | |
| Morrison, Julie | Julie Morrison | Actor | 2022 | 2 | |
| Mena, Carlota de | Carlota de Mena | Actor | 1893 - 1900 | 2 | |
| Marquerie, Alfredo | Alfredo Marquerie | Adaptation | 1963 | 2 | |
| Muñoz, Amelia | Amelia Muñoz | Actor | 1963 | 2 | |
| Manev, Martin | Martin Manev (Мартин Манев) | Actor, Set Designer | 2012 - 2020 | 2 | |
| Montenegro, Ángela | Ángela Montenegro | Actor | 1974 - 1978 | 2 | |
| Mota, Jimena la | Jimena la Mota | Actor | 2015 | 2 | |
| Mayo, Anna | Anna Mayo | Actor | 2015 | 2 | |
| Márquez, Iria | Iria Márquez | Adaptation, Director | 2016 | 2 | |
| Martinoni, Giantonio | Giantonio Martinoni | Actor | 2022 | 2 | |
| Mastromonaco, Bianca | Bianca Mastromonaco | Actor | 2022 | 2 | |
| Muro, Pilar S. | Pilar S. Muro | Costume Designer | 1968 - 1969 | 2 | |
| Milčev, Michail | Michail Milčev (Михаил Милчев) | Actor | 2022 - 2023 | 2 | |
| Moragas, Miquel | Miquel Moragas | Set Designer | 1903 - 1906 | 2 | |
| Mentes, Júlia | Júlia Mentes | Actor | 2023 | 2 | |
| Mete, Gökhan | Gökhan Mete | Actor | 2023 | 2 | |
| McLeod, Kenn | Kenn McLeod | Lighting Designer, Sound Designer | 2023 | 2 | |
| Moriyama, Fuyuko | Fuyuko Moriyama (森山冬子) | Actor | 2023 | 2 | |
| Morita, Honoka | Honoka Morita (盛田穂乃歌) | Lighting Designer | 2023 | 2 | |
| Moumoulidou, Elpida | Elpida Moumoulidou (Ελπίδα Μουμουλίδου) | Photographer | 2023 | 2 | |
| Mercurian, Chris Simion | Chris Simion Mercurian | Adaptation, Director | 2024 | 2 | |
| Mangina, Stephen | Stephen Mangina | Actor | 2020 | 2 | |
| Moreira, Ana | Ana Moreira | Actor | 2020 | 2 | |
| Madrid, Patricia | Patricia Madrid | Actor | 2024 | 2 | |
| Magnussen, Vidar | Vidar Magnussen | Actor, Director | 2024 | 2 | |
| Mirabella, Franco | Franco Mirabella | Actor | 2024 | 2 | |
| Montalto, Marcello | Marcello Montalto | Actor | 2024 | 2 | |
| Maresti, Anna | Anna Maresti | Actor | 1943 | 2 | |
| Magni, Eva | Eva Magni | Actor | 1948 - 1949 | 2 | |
| Montemurri, Davide | Davide Montemurri | Actor | 1956 - 1961 | 2 | |
| Mazzullo, Peppino | Peppino Mazzullo | Actor | 1954 | 2 | |
| Marconcini, Dario | Dario Marconcini | Director, Playwright | 1989 | 2 | |
| Moretti, Romualdo | Romualdo Moretti | Set Designer | 2024 | 2 | |
| Mortana, Rossana | Rossana Mortana | Actor | 2012 | 2 | |
| Maldonado, Andrès Arce | Andrès Arce Maldonado | Designer, Director | 2014 | 2 | |
| Masserano Taricco, Pietro | Pietro Masserano Taricco | Director | 1956 - 1962 | 2 | |
| Meriç, Bahar | Bahar Meriç | Choreographer | 2024 | 2 | |
| Mulinacci, Thomas | Thomas Mulinacci | Composer | 2015 | 2 | |
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