| Meyerhoff, Joachim | Joachim Meyerhoff | Actor | 2002 - 2017 | 2 | 1 |
| Méhes, László | László Méhes | Actor | 1988 - 2002 | 4 | 1 |
| Magisa, Daniel Robert | Daniel Robert Magisa | Actor | 2002 | 1 | 1 |
| Magnusson, Leif | Leif Magnusson | Actor | 1997 | 1 | 1 |
| Murauer, Herbert | Herbert Murauer | Costume Designer, Designer | 2003 | 2 | 1 |
| Marvin, Mel | Mel Marvin | Composer | 1989 | 1 | 1 |
| Mittelstaedt, Tessa | Tessa Mittelstaedt | Actor | 2003 - 2004 | 3 | 1 |
| Müller, Ulrike | Ulrike Müller | Actor | 2003 - 2004 | 2 | 1 |
| Mellor, Aubrey | Aubrey Mellor | Director, Translator | 1984 - 1989 | 3 | 1 |
| Müller, Katja | Katja Müller | Actor | 2003 | 1 | 1 |
| Meriwether, Liz | Elizabeth Meriwether | Actor, Adaptation, Playwright | 2003 - 2024 | 5 | 1 |
| Mohr, Antonia | Antonia Mohr | Actor | 1998 - 2003 | 3 | 1 |
| Marx, Marius | Marius Marx | Actor | 2003 | 2 | 1 |
| Månsson, Claes | Claes Månsson | Actor | 1989 - 1998 | 2 | 1 |
| McInnerny, Tim | Tim McInnerny | Actor | 2003 - 2010 | 6 | 1 |
| Melamed, Iris | Iris Melamed | Actor | 1998 - 2015 | 8 | 1 |
| Manners, Katherine | Katherine Manners | Actor | 2003 | 4 | 1 |
| Morell, Andreas | Andreas Morell | Director | 2001 - 2007 | 2 | 1 |
| McCusker, Frank | Frank McCusker | Actor | 2003 | 1 | 1 |
| McHallem, Chris | Chris McHallem | Actor | 2003 - 2017 | 2 | 1 |
| Meguid, Marietta | Marietta Meguid | Actor | 2003 - 2005 | 8 | 1 |
| Maloney, Peter | Peter Maloney | Actor | 2003 - 2011 | 2 | 1 |
| Michalek, Wolfgang | Wolfgang Michalek | Actor | 2003 - 2007 | 10 | 1 |
| Molnár, Mariann | Mariann Molnár | Actor | 2007 | 1 | 1 |
| Mayer, Charles | Charles Mayer | Actor | 2003 | 1 | 1 |
| M. Lancisi, Vincent | Vincent M. Lancisi | Director | 2003 | 1 | 1 |
| Meduna, Jan | Jan Meduna | Actor | 2010 - 2013 | 13 | 1 |
| Marečková, Tereza | Tereza Marečková | Adaptation, Dramaturg | 2010 - 2011 | 10 | 1 |
| Mossegård, Lena | Lena Mossegård | Actor | 1999 - 2006 | 3 | 1 |
| Mikulášek, Jan | Jan Mikulášek | Adaptation, Composer, Director, Sound Designer | 2008 - 2012 | 25 | 1 |
| Metzen, Marlon | Marlon Metzen | Adaptation, Composer, Director | 2004 - 2006 | 6 | 1 |
| Mockus, Tony | Tony Mockus | Actor | 1976 | 1 | 1 |
| Mikshijev, Pekka | Pekka Mikshijev | Actor | 2004 | 1 | 1 |
| Morgan, Rachel | Rachel Morgan | Actor | 2004 | 1 | 1 |
| Maier, Andreas | Andreas Maier | Actor | 2004 - 2005 | 2 | 1 |
| Miler, Eduard | Eduard Miler | Composer, Costume Designer, Director | 2004 - 2015 | 7 | 1 |
| Münster, Sebastian | Sebastian Münster | Actor | 2004 | 1 | 1 |
| Mucha, Zdeněk | Zdeněk Mucha | Actor | 2005 - 2006 | 2 | 1 |
| Müller, Christoph | Christoph Müller | Actor | 2000 - 2006 | 7 | 1 |
| Mentz, Heide | Heide Mentz | Actor | 1976 - 2005 | 4 | 1 |
| May, Roland | Roland May | Director | 2004 | 2 | 1 |
| Marioge, Philippe | Philippe Marioge | Designer | 2005 | 5 | 1 |
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