| 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 |
| Moore, Tallis | Tallis Moore | Actor | 2005 | 1 | 1 |
| Maffitt, Clark | Clark Maffitt | Actor | 2005 | 1 | 1 |
| Mareš, Václav | Václav Mareš | Actor | 1999 | 1 | 1 |
| Montgomery, Eleanor | Eleanor Montgomery | Actor | 2001 | 2 | 1 |
| Mostberg, Joakim | Joakim Mostberg | Actor | 1989 | 48 | 1 |
| Matĕjovský, Jan | Jan Matĕjovský | Director | 1955 - 1958 | 2 | 1 |
| Mayr, Christel | Christel Mayr | Actor | 2005 - 2015 | 5 | 1 |
| Moltzen, Peter | Peter Moltzen | Actor | 2005 - 2007 | 6 | 1 |
| Meyer, Bettina | Bettina Meyer | Costume Designer, Designer | 2005 - 2012 | 3 | 1 |
| Marston, Cathy | Cathy Marston | Adaptation, Choreographer | 2005 - 2008 | 6 | 1 |
| McNall, Sean | Sean McNall | Actor | 2005 | 1 | 1 |
| Müller-Kuhl, Manfred | Manfred Müller-Kuhl | Actor | 2001 | 5 | 1 |
| Málek, Prokop | Prokop Málek | Musician | 1940 | 1 | 1 |
| Mercier, Jules | Jules Mercier | Actor | 2005 | 1 | 1 |
| Merriam, Brendan | Brendan Merriam | Actor | 2005 | 1 | 1 |
| Millson, Joseph | Joseph Millson | Actor | 2005 | 1 | 1 |
| Masuch, Sarah | Sarah Masuch | Actor | 2001 - 2004 | 4 | 1 |
| Millerová, Petra | Petra Millerová | Actor | 1999 | 1 | 1 |
| McAndrew, Kelly | Kelly McAndrew | Actor | 2001 | 2 | 1 |
| McCracken, Dave | Dave McCracken | Adaptation | 2005 | 1 | 1 |
| Mullen, Christopher | Christopher Mullen | Actor | 2001 | 1 | 1 |
| Müller, Mike | Mike Müller | Actor | 2005 | 2 | 1 |
| Maertens, Miriam | Miriam Maertens | Actor | 2005 | 3 | 1 |
| Metten, Marcel | Marcel Metten | Actor | 2005 - 2009 | 4 | 1 |
| Mulligan, Kate A. | Kate A. Mulligan | Actor | 2006 - 2008 | 2 | 1 |
| Maybank, Preston | Preston Maybank | Actor | 2006 | 1 | 1 |
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