| Methven, Eleanor | Eleanor Methven | Actor | 2003 | 1 | |
| McHallem, Chris | Chris McHallem | Actor | 2003 - 2017 | 2 | |
| Mátray, László | László Mátray | Actor | 1999 - 2015 | 2 | |
| Mauer, Anika | Anika Mauer | Actor | 2003 | 2 | |
| Márton, Lóránt | Lóránt Márton | Actor | 1999 | 1 | |
| Mbatha-Raw, Gugu | Gugu Mbatha-Raw | Actor | 2003 | 2 | |
| Murray, Catherine | Catherine Murray | Actor | 2003 | 2 | |
| Meguid, Marietta | Marietta Meguid | Actor | 2003 - 2005 | 8 | |
| Medina, Hugo | Hugo Medina | Actor | 2003 - 2011 | 2 | |
| McGregor-Laine, Susan | Susan McGregor-Laine | Actor | 2003 - 2007 | 2 | |
| Mertz, Doug | Doug Mertz | Actor | 2003 | 1 | |
| MacVittie, Bruce | Bruce MacVittie | Actor | 2003 | 1 | |
| Maloney, Peter | Peter Maloney | Actor | 2003 - 2011 | 2 | |
| May, Andrew | Andrew May | Actor | 2003 | 1 | |
| McNulty, Nancy | Nancy McNulty | Actor | 2003 | 2 | |
| Munderloh, Otts | Otts Munderloh | Sound Designer | 2003 | 1 | |
| Michalek, Wolfgang | Wolfgang Michalek | Actor | 2003 - 2007 | 10 | |
| Massányi, Viktor | Viktor Massányi | Actor | 2007 | 1 | |
| Murár, Györgyi | Györgyi Murár | Actor | 2007 | 1 | |
| Magnusson, Douglas | Douglas Magnusson | Actor | 2003 | 4 | |
| Mork, Linn | Linn Mork | Actor | 2003 | 1 | |
| Molnár, Mariann | Mariann Molnár | Actor | 2007 | 1 | |
| Munkhammar, Anna | Anna Munkhammar | Actor | 2003 | 1 | |
| Mattsson, Mirijam | Mirijam Mattsson | Actor | 2003 | 1 | |
| Mähler Andersson, Johanna | Johanna Mähler Andersson | Actor | 2003 | 2 | |
| Morais, Alexandre | Alexandre Morais | Actor | 2003 | 1 | |
| Mayer, Charles | Charles Mayer | Actor | 2003 | 1 | |
| Marsh, Chas | Chas Marsh | Sound Designer | 2003 | 1 | |
| Moutafi, Elisavet | Elisavet Moutafi | Actor | 2003 - 2004 | 2 | |
| Metzikof, Giannis | Giannis Metzikof | Costume Designer, Designer | 2003 - 2008 | 6 | |
| Matkó, Tamás | Tamás Matkó | Composer | 2012 | 1 | |
| Martin, Dustin | Dustin Martin | Director | 2003 | 1 | |
| Murawski, Jeff | Jeff Murawski | Designer | 2003 | 1 | |
| McMonagle, Walter | Walter McMonagle | Actor | 2003 | 1 | |
| Magyari, Etelka | Etelka Magyari | Actor | 2012 - 2013 | 5 | |
| Mihály, Péter | Péter Mihály | Actor | 2005 | 2 | |
| Meisitz, Fáni | Fáni Meisitz | Actor | 2005 | 2 | |
| Menclerová, Kateřina | Kateřina Menclerová | Dramaturg | 2013 | 1 | |
| Meduna, Jan | Jan Meduna | Actor | 2010 - 2013 | 13 | |
| Maryško, Jiří | Jiří Maryško | Actor | 2011 | 1 | |
| Marek, František | František Marek | Actor | 2011 | 1 | |
| Musil, Vít | Vít Musil | Actor | 1998 - 2011 | 7 | |
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