| Muñoz, Òscar | Òscar Muñoz | Actor | 2011 | 1 | |
| Miranda, Paula | Paula Miranda | Designer | 2011 | 1 | |
| Maureen, Nassy Konan | Nassy Konan Maureen | Actor | 2011 | 1 | |
| Mohney, Ashlie | Ashlie Mohney | Actor | 2011 | 1 | |
| Mooney, Rhiannon | Rhiannon Mooney | Actor | 2011 | 1 | |
| Muno, Alexander | Alexander Muno | Adaptation, Composer | 2011 | 2 | |
| Moreno, Luis | Luis Moreno | Actor | 2011 | 4 | |
| Maloney, Darrell | Darrell Maloney | Lighting Designer | 2011 | 2 | |
| Müller, Ulrich K. | Ulrich K. Müller | Actor | 2011 - 2015 | 2 | |
| MacDonald, Maili | Maili MacDonald | Actor | 2012 | 1 | |
| McErlaine, Sheila | Sheila McErlaine | Sound Designer | 1964 | 1 | |
| McGrane, Alycia | Alycia McGrane | Actor | 1964 | 1 | |
| Marsh, Keith | Keith Marsh | Actor | 1964 - 1965 | 5 | |
| Marzinowski, Roland | Roland Marzinowski | Dramaturg | 2013 | 1 | |
| Münzing, Nilufar, K. | Nilufar K. Münzing | Director | 2015 | 1 | |
| Martin, Sylvia | Sylvia Martin | Dramaturg | 2012 | 1 | |
| Matsumoto, Ken | Ken Matsumoto | Actor | 1964 | 1 | |
| Matsuoka, Yuriko | Yuriko Matsuoka | Actor | 1964 | 1 | |
| McKinney, William, L. | William L. McKinney | Director | 1964 | 1 | |
| Mennen, James | James Mennen | Actor | 1964 | 1 | |
| Müller, Michael | Michael Müller | Designer | 2015 | 1 | |
| Migdal, Nadia | Nadia Migdal | Actor | 2012 | 5 | |
| Morawetz, Victoria | Victoria Morawetz | Assistant Director | 2015 | 1 | |
| Malone, Rick | Rick Malone | Sound Designer | 2011 - 2017 | 2 | |
| Mader, Lorian | Lorian Mader | Dancer | 2016 | 1 | |
| Mathis, Marco | Marco Mathis | Sound Designer | 2011 | 1 | |
| Merkle, Ulrike | Ulrike Merkle | Director | 2011 | 1 | |
| McMahon, James | James McMahon | Actor | 2011 | 1 | |
| Martin, Sebastian | Sebastian Martin | Actor | 2011 | 2 | |
| Muggli, Natalina | Natalina Muggli | Actor | 2016 | 3 | |
| Mackenbrock, Tim | Tim Mackenbrock | Actor | 2016 | 3 | |
| McArdle, James | James McArdle | Actor | 2011 - 2019 | 3 | |
| Merrells, Simon | Simon Merrells | Actor | 2011 | 1 | |
| Merriam, Henri | Henri Merriam | Actor | 2012 | 1 | |
| Mărutză, George | George Mărutză | Actor | 1932 - 1956 | 3 | |
| Marius, Alexandru | Alexandru Marius | Actor | 1932 | 1 | |
| Mai, Esme | Esme Mai | Costume Designer | 2012 | 1 | |
| Muller, Cristian | Cristian Muller | Producer | 1991 | 1 | |
| Morţun, Ion | Ion Morţun | Actor | 1919 - 1928 | 5 | |
| Marti, Lorenz | Lorenz Marti | Actor | 2012 | 2 | |
| Minter, Niki | Niki Minter | Costume Designer | 1964 | 1 | |
| Mattin, Mimi | Mimi Mattin | Costume Designer | 1960 - 1964 | 2 | |
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