| Mann, George | George Mann | Actor | 2006 | 2 | |
| Mokrov, Pavel | Pavel Mokrov | Actor | 2006 | 2 | |
| May, Keegan | Keegan May | Actor | 2006 | 2 | |
| Marazaitė, Rasa | Rasa Marazaitė | Actor | 2006 - 2007 | 2 | |
| Mexis, Paris | Paris Mexis | Designer, Lighting Designer | 2006 | 2 | |
| Munich, Christina L. | Christina L. Munich | Lighting Designer | 2006 - 2010 | 2 | |
| Mishra, Sarita | Sarita Mishra | Composer | 2006 - 2009 | 2 | |
| Mobarakshahi, Sima | Sima Mobarakshahi | Actor | 2008 - 2009 | 2 | |
| Mathew, Kiran | Kiran Mathew | Actor | 2006 | 2 | |
| Mahian, Afsaneh | Afsaneh Mahian | Actor | 2008 - 2009 | 2 | |
| Mohseni, Ala | Ala Mohseni | Actor | 2008 - 2009 | 2 | |
| Mohades, Farzin | Farzin Mohades | Actor | 2008 - 2009 | 2 | |
| Mungaray, Rudy | Rudy Mungaray | Actor | 2009 - 2010 | 2 | |
| Marting, Kristin | Kristin Marting | Director | 2009 - 2010 | 2 | 1 |
| Monk O'Connor, Isabell | Isabell Monk O'Connor | Actor | 1993 - 2008 | 2 | 1 |
| Mathews, Alison | Alison Mathews | Actor | 2009 | 2 | 1 |
| Müller, Bärti | Bärti Müller | Actor | 2009 | 2 | |
| Maas, Maaike | Maaike Maas | Actor | 2008 | 2 | |
| Maurach, Johannes | Johannes Maurach | Director | 1922 - 1943 | 2 | |
| Mannex, Colin | Colin Mannex | Actor, Dramaturg | 2008 - 2009 | 2 | |
| Meyer, Sarah Sophia | Sarah Sophia Meyer | Actor | 2008 - 2009 | 2 | 1 |
| Morgan, Neil | Neil Morgan | Actor | 2008 | 2 | |
| Morgan, Laurence | Laurence Morgan | Actor | 2008 | 2 | |
| Morgan, Belinda | Belinda Morgan | Actor | 2008 | 2 | |
| McKenna, Alison | Alison McKenna | Actor | 2008 | 2 | |
| Moran, Christopher | Christopher Moran | Actor | 2008 | 2 | |
| Moran, Catherine | Catherine Moran | Costume Designer, Mask Maker | 2008 | 2 | |
| Meringdal, Otto Georg, Valtteri | Otto Georg Valtteri Meringdal | Actor | 2016 - 2017 | 2 | |
| Mees, Siegbert | Friedrich Siegbert Mees | Conductor | 1926 - 1938 | 2 | |
| Müller-Multa, Ernst | Ernst Müller-Multa | Designer, Director | 1939 | 2 | |
| Meskhishvili, Lado | Lado Meskhishvili | Actor, Director | 1898 | 2 | |
| Marcondes, Noêmia | Noêmia Marcondes | Actor | 1965 | 2 | |
| Marencke, Robert | Robert Marencke | Actor | 1965 - 1970 | 2 | |
| Mountain, Polly | Polly Mountain | Actor | 2008 | 2 | |
| Manning, Louis, Jewel | Louis Jewel Manning | Actor | 1892 - 1896 | 2 | |
| Maude, Arthur | Arthur Maude | Actor | 1906 - 1907 | 2 | |
| Masutani, Kyoko | Kyoko Masutani | Actor | 2008 | 2 | |
| Matz, Johanna | Johanna Matz | Actor | 1952 - 1965 | 2 | |
| Marwitz, Michael | Michael Marwitz | Actor | 1986 | 2 | |
| Matousek, Florence | Florence Matousek | Actor | 2009 - 2013 | 2 | 1 |
| Mohr, Matthias | Matthias Mohr | Composer | 2009 | 2 | |
| McAlister, Michael | Michael McAlister | Actor | 2009 | 2 | |
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