| Marioteanu, Brânduşa | Brânduşa Marioteanu | Actor | 1977 | 3 | |
| Marinescu, Mihai | Mihai Marinescu | Actor | 2009 | 3 | |
| Mateescu, Luiza | Luiza Mateescu | Actor, Director | 2004 - 2009 | 3 | |
| Mackmin, Anna | Anna Mackmin | Director | 2007 - 2012 | 3 | 1 |
| McComas, Natalie | Natalie McComas | Actor | 2006 | 3 | |
| Mrozek, A. J. | A. J. Mrozek | Actor | 2006 | 3 | |
| Martin, Sabine | Sabine Martin | Actor | 2006 - 2011 | 3 | 1 |
| Majid, Eva | Eva Majid | Actor | 2006 | 3 | |
| Majid, Furqaan | Furqaan Majid | Actor | 2006 | 3 | |
| Mujahid, Kamran | Kamran Mujahid | Actor | 2006 | 3 | |
| Martin, Sheila | Sheila Martin | Designer | 2007 | 3 | |
| Miyajima, Chie | Chie Miyajima | Actor | 2006 | 3 | |
| Miyamoto, Nobuko | Nobuko Miyamoto | Costume Designer | 2006 | 3 | |
| Magee, Wesley | Wesley Magee | Actor | 2006 | 3 | |
| Mishra, Nidhi | Nidhi Mishra | Actor | 2006 | 3 | |
| Mapare, Sanjay | Sanjay Mapare | Actor | 2006 | 3 | |
| Munro, Neil | Neil Munro | Actor, Adaptation, Director | 1981 - 2006 | 3 | 1 |
| Maier, Ulli | Ulli Maier | Actor | 1991 - 2007 | 3 | |
| Möller, Oliver | Oliver Möller | Actor | 2007 - 2013 | 3 | 1 |
| Medina, Kika, de | Kika de Medina | Costume Designer | 2006 - 2007 | 3 | |
| Machado, Renato | Renato Machado | Lighting Designer | 2006 - 2007 | 3 | |
| Maaranen, Miia | Miia Maaranen | Actor | 2006 - 2012 | 3 | |
| Markevičiute, Kristina | Kristina Markevičiute | Actor | 2006 | 3 | |
| McCaffrey, Sorcha | Sorcha McCaffrey | Actor | 2006 | 3 | |
| Meißner, Friederike | Friederike Meißner | Actor | 1919 - 1924 | 3 | |
| McCallum, Bill | Bill McCallum | Actor | 2008 | 3 | |
| Mortelmans, Hans | Hans Mortelmans | Actor | 2008 | 3 | |
| Macé, Alain | Alain Macé | Actor | 2008 | 3 | |
| Molter, Lotte | Lotte Molter | Actor | 1922 - 1937 | 3 | |
| Margolin, Stuart | Stuart Margolin | Actor | 1965 - 2018 | 3 | |
| Meczele, Thomas | Thomas Meczele | Actor | 2008 | 3 | |
| Mathis, Christian | Christian Mathis | Composer | 2009 - 2010 | 3 | 1 |
| Myung A, Lee | Lee Myung A | Costume Designer | 2009 - 2012 | 3 | |
| Mancianti, Andrea | Andrea Mancianti | Adaptation, Composer, Musician | 2010 | 3 | |
| Mercantel, Stephen | Stephen Mercantel | Actor | 2010 | 3 | |
| Menzies, Maryann | Maryann Menzies | Actor | 2010 | 3 | |
| Mihelič, Irena | Irena Mihelič | Actor | 2009 | 3 | |
| Miyagi, Satoshi | Satoshi Miyagi | Director | 2010 - 2023 | 3 | |
| Mukhoapdhyay, Sohini | Sohini Mukhoapdhyay | Actor | 2009 - 2010 | 3 | |
| Mukhopadhyay, Shiboprasad | Shiboprasad Mukhopadhyay | Actor | 2009 - 2010 | 3 | |
| Mukhopadhyay, Dipok | Dipok Mukhopadhyay | Lighting Designer | 2009 - 2010 | 3 | |
| Millington, Kevin | Kevin Millington | Actor | 2010 | 3 | |
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