| Müller, Hans Günther | Hans Günther Müller | Actor | 1965 - 1978 | 2 | |
| Manz-Kozár, Andreas | Andreas Manz-Kozár | Actor | 2013 - 2015 | 2 | 1 |
| Müller, Tom | Tom Müller | Composer | 2011 | 2 | |
| MacDonagh, Jamie | Jamie MacDonagh | Actor | 2010 | 2 | |
| Metz, Stefan | Stefan Metz | Adaptation, Director | 2011 | 2 | 1 |
| Maciel, Carla | Carla Maciel | Actor, Costume Designer | 2011 | 2 | |
| McGrath, Joseph | Joseph McGrath | Actor, Designer | 2010 | 2 | 1 |
| Meier, Cynthia | Cynthia Meier | Actor, Costume Designer | 2010 | 2 | 1 |
| Marfurt, Beatrice | Beatrice Marfurt | Actor | 2010 | 2 | |
| McGinnis, Rachel | Rachel McGinnis | Actor | 2011 | 2 | |
| Marsolek, George | George Marsolek | Designer | 2011 | 2 | |
| Mays, Christianne | Christianne Mays | Actor | 2010 - 2018 | 2 | |
| Malaev-Babel, Andrei | Andrei Malaev-Babel | Director | 2011 - 2019 | 2 | |
| Macdonald, James | James Macdonald | Director | 2010 - 2011 | 2 | 1 |
| Molloy, Amy | Amy Molloy | Actor | 2010 - 2011 | 2 | |
| Miķelsons, Alberts | Alberts Miķelsons | Actor | 1939 - 1964 | 2 | |
| Monloup, Hubert | Hubert Monloup | Costume Designer, Designer | 1964 | 2 | |
| Meintke, Katharina | Katharina Meintke | Costume Designer | 2011 | 2 | |
| Maiorescu, Titu | Titu Maiorescu | Translator | 1895 - 1924 | 2 | 1 |
| Murgu, Mihaela | Mihaela Murgu | Actor | 1972 - 1978 | 2 | |
| Mokrusch, Ulrich | Ulrich Mokrusch | Director | 2014 - 2018 | 2 | |
| Manea, Aureliu | Aureliu Manea | Director, Lighting Designer | 1968 | 2 | |
| Mendroch, Horst | Horst Mendroch | Actor | 1999 - 2013 | 2 | |
| Mohr, Gerhard | Gerhard Mohr | Actor | 2012 - 2013 | 2 | |
| Muno, Alexander | Alexander Muno | Adaptation, Composer | 2011 | 2 | 1 |
| Maloney, Darrell | Darrell Maloney | Lighting Designer | 2011 | 2 | |
| Müller, Ulrich K. | Ulrich K. Müller | Actor | 2011 - 2015 | 2 | |
| Malone, Rick | Rick Malone | Sound Designer | 2011 - 2017 | 2 | |
| Martin, Sebastian | Sebastian Martin | Actor | 2011 | 2 | |
| Marti, Lorenz | Lorenz Marti | Actor | 2012 | 2 | |
| Mattin, Mimi | Mimi Mattin | Costume Designer | 1960 - 1964 | 2 | |
| Margulies, Armand | Armand Margulies | Actor | 1964 - 1970 | 2 | |
| Mugur, Vlad | Vlad Mugur | Director | 1964 - 1965 | 2 | |
| Mottoi, George | George Mottoi | Actor | 1964 - 1965 | 2 | |
| Mariani, Mario | Mario Mariani | Actor | 1954 - 1963 | 2 | |
| Moore, Shanae’a | Shanae’a Moore | Actor | 2016 - 2020 | 2 | |
| McMorrough, Jeff | Jeff McMorrough | Actor | 2016 - 2020 | 2 | |
| McCormick, Carolyn | Carolyn McCormick | Actor | 1999 - 2016 | 2 | |
| Melhardt, Edgar | Edgar Melhardt | Actor | 1962 - 1963 | 2 | |
| Merton, Atle | Atle Merton | Actor | 1962 - 1963 | 2 | |
| Mlalazi, Christopher | Christopher Mlalazi | Adaptation | 2015 - 2016 | 2 | |
| Mupondirio, Cornelius | Cornelius Mupondirio | Musician | 2015 - 2016 | 2 | |
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