| Martlew, Zoe | Zoe Martlew | Musician | 2005 - 2006 | 2 | |
| Manthei, Aurel | Aurel Manthei | Actor | 2005 - 2006 | 2 | |
| McClain, Amelia | Amelia McClain | Actor | 2005 - 2020 | 2 | |
| Mingli, Yang | Yang Mingli | Actor | 2005 | 2 | |
| Mengsha, Hou | Hou Mengsha | Actor | 2005 | 2 | |
| Miholjević, Jelena | Jelena Miholjević | Actor | 2005 - 2006 | 2 | |
| Miletić, Dubravka | Dubravka Miletić | Actor | 2005 - 2006 | 2 | |
| Mrkvička, Otakar | Otakar Mrkvička | Costume Designer, Designer | 1933 | 2 | |
| Marchetto, Wolfgang | Wolfgang Marchetto | Actor | 2001 | 2 | |
| Macala, Mikuláš | Mikuláš Macala | Actor | 2012 | 2 | |
| Medúz, Albín | Albín Medúz | Actor | 2012 | 2 | |
| Mosný, Tomáš | Tomáš Mosný | Actor | 2011 | 2 | |
| Moravcová, Zuzana | Zuzana Moravcová | Actor | 2007 - 2008 | 2 | |
| Mokos, Attila | Attila Mokos | Actor | 2007 - 2008 | 2 | |
| McAndrew, Kelly | Kelly McAndrew | Actor | 2001 | 2 | 1 |
| Mason, Marshall K. | Marshall K. Mason | Director | 2001 | 2 | |
| Mrak, Hans | Hans Mrak | Dramaturg | 2005 - 2008 | 2 | |
| Maddalena, Sara | Sara Maddalena | Director | 2005 - 2006 | 2 | |
| Marin, Alberto | Alberto Marin | Actor | 2001 - 2002 | 2 | |
| Müller, Mike | Mike Müller | Actor | 2005 | 2 | 1 |
| Mureşan, Lucia | Lucia Mureşan | Actor | 1957 - 1979 | 2 | |
| Marosin, Mircea | Mircea Marosin | Costume Designer, Designer | 1963 | 2 | |
| McGuire, Pat | Pat McGuire | Actor | 2001 | 2 | |
| Möller-Mudifaj, Roger | Roger Möller-Mudifaj | Actor, Designer | 2001 | 2 | |
| Molnár, Gizella | Gizella Molnár | Actor | 1965 - 1972 | 2 | |
| Muscalu, Stelica | Stelica Muscalu | Composer, Musical Director | 2006 - 2009 | 2 | |
| Mulligan, Kate A. | Kate A. Mulligan | Actor | 2006 - 2008 | 2 | 1 |
| Manke, Art | Art Manke | Choreographer | 2006 - 2008 | 2 | |
| Mengel, Jonathan | Jonathan Mengel | Actor | 2006 | 2 | |
| Mölder, Andreas | Andreas Mölder | Actor | 2006 | 2 | |
| Mullen, Conor | Conor Mullen | Actor | 1989 - 1990 | 2 | 1 |
| Mertens, Wim | Wim Mertens | Composer | 1989 - 1990 | 2 | |
| Merei, Romina | Romina Merei | Actor | 2009 | 2 | |
| Megel, Joseph | Joseph Megel | Director | 2006 - 2013 | 2 | |
| Martin, H. Bernhard | H. Bernhard Martin | Actor | 2006 | 2 | 3 |
| Maberly, Polly | Polly Maberly | Actor | 2006 | 2 | |
| Moutrie, Evelyn | Evelyn Moutrie | Actor, Costume Designer | 2007 | 2 | |
| Marais, Rolanda | Rolanda Marais | Actor | 2006 | 2 | 6 |
| Maggiolo, Gabriela | Gabriela Maggiolo | Actor | 2006 | 2 | 2 |
| Maggiolo, Eduardo | Eduardo Maggiolo | Lighting Designer | 2006 | 2 | |
| Müller-Morungen, Florian | Florian Müller-Morungen | Actor | 2006 - 2011 | 2 | 2 |
| Müller, Gregor | Gregor Müller | Costume Designer, Designer | 2006 | 2 | |
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