| May, Victoria | Victoria May | Dancer | 2001 | 2 | |
| Mapelli, Claudio | Claudio Mapelli | Sound Designer | 1989 | 2 | |
| Mainas, Stelios | Stelios Mainas | Actor | 1989 | 1 | |
| Metzger, Heike | Heike Metzger | Actor | 1989 | 2 | |
| Mazzarelli, Victoria | Victoria Mazzarelli | Actor | 2003 - 2005 | 4 | |
| Moscholiou, Maria | Maria Moscholiou | Actor | 1961 - 1997 | 6 | |
| Mongelli, Giovanni | Giovanni Mongelli | Actor | 2003 - 2005 | 2 | |
| Mouriki, Efi | Efi Mouriki | Actor | 1989 | 1 | |
| Münzer, Hermann | Hermann Münzer | Lighting Designer | 1992 - 2005 | 3 | |
| Milhaud, Darius | Darius Milhaud | Composer | 2003 - 2005 | 2 | |
| Menzel, Jochen | Jochen Menzel | Actor | 1997 | 4 | |
| Mittelstaedt, Tessa | Tessa Mittelstaedt | Actor | 2003 - 2004 | 3 | |
| Müller, Ulrike | Ulrike Müller | Actor | 2003 - 2004 | 2 | |
| Mellor, Aubrey | Aubrey Mellor | Director, Translator | 1984 - 1989 | 3 | |
| Markov, Plamen | Plamen Markov | Adaptation, Director | 1997 - 2010 | 3 | |
| Merasty, Sophie | Sophie Merasty | Actor | 2003 | 1 | |
| McCullough, Sarah | Sarah McCullough | Actor | 2001 | 1 | |
| Munns, Robert | Robert Munns | Actor | 2001 | 1 | |
| Migliaccio, Francesco | Francesco Migliaccio | Actor | 1986 - 2002 | 24 | |
| Müller, Katja | Katja Müller | Actor | 2003 | 1 | |
| Misley, Anna | Anna Misley | | | | |
| Miller, Johnny | Johnny Miller | Dramaturg | 2003 | 1 | |
| Martot, Pierre | Pierre Martot | Actor | 2003 | 2 | |
| Millington, Jon | Jon Millington | Actor | 2003 | 1 | |
| Moore, Margaret | Margaret Moore | Actor | 2003 | 5 | |
| Munthe, Tobias | Tobias Munthe | Producer | 2003 | 1 | |
| Marra, Julie Ann | Julie Ann Marra | Actor | 2001 | 1 | |
| Maling, Pamela | Pamela Maling | Costume Designer | 2003 | 1 | |
| Mönnich, Heiko | Heiko Mönnich | Designer | 2003 | 3 | |
| Merle, Frank | Frank Merle | Adaptation, Director | 2003 | 2 | |
| M. Kasch, Frank | Frank M. Kasch | Lighting Designer | 2003 | 1 | |
| Miller, Derek | Derek Miller | Actor | 2003 | 1 | |
| Meriwether, Liz | Elizabeth Meriwether | Actor, Adaptation | 2003 - 2011 | 4 | |
| Molnar, Jenn | Jenn Molnar | Actor | 2001 | 1 | |
| Moretti, Carrie | Carrie Moretti | Actor | 2001 | 1 | |
| Mackay-Smith, Gillian | Gillian Mackay-Smith | Actor | 2001 | 1 | |
| Milikowsky, Shira | Shira Milikowsky | Director | 2003 | 1 | |
| Marian, Oana | Oana Marian | Designer | 2003 | 1 | |
| Moschovi, Matina | Matina Moschovi | Actor | 2001 | 1 | |
| Marx, Thomas | Thomas Marx | Actor | 1998 - 2008 | 7 | |
| Mohr, Antonia | Antonia Mohr | Actor | 1998 - 2003 | 3 | |
| Marx, Marius | Marius Marx | Actor | 2003 | 2 | |
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