| Mullen, Conor | Conor Mullen | Actor | 1989 - 1990 | 2 | |
| Mertens, Wim | Wim Mertens | Composer | 1989 - 1990 | 2 | |
| Merei, Romina | Romina Merei | Actor | 2009 | 2 | |
| Mackmin, Anna | Anna Mackmin | Director | 2007 - 2012 | 3 | |
| Megel, Joseph | Joseph Megel | Director | 2006 - 2013 | 2 | |
| Meek, Traci | Traci Meek | Costume Designer | 2006 | 1 | |
| Miller, Gabriel | Gabriel Miller | Actor | 2006 | 1 | |
| Miller, Sydni | Sydni Miller | Actor | 2006 | 1 | |
| Mannis, Jenny | Jenny Mannis | Costume Designer | 2006 | 1 | |
| McClain Wilson, Mark | Mark McClain Wilson | Actor | 2006 | 1 | |
| Myers, Cricket S. | Cricket S. Myers | Sound Designer | 2006 | 1 | |
| Moore, Soncitharai | Soncitharai Moore | Actor | 2006 | 1 | |
| Miller, Lyle B. | Lyle B. Miller | Designer | 2006 | 1 | |
| Medina, Frank | Frank Medina | Actor | 2006 | 1 | |
| Maberly, Polly | Polly Maberly | Actor | 2006 | 2 | |
| Melo, Francisco | Francisco Melo | Actor | 2007 | 1 | |
| Mace, Cynthia | Cynthia Mace | Actor | 2006 | 1 | |
| Monat, Phil | Phil Monat | Lighting Designer | 2006 | 1 | |
| Menke, Rick | Rick Menke | Sound Designer | 2006 | 1 | |
| Maier, Brigitte | Brigitte Maier | Director | 1989 | 1 | |
| Maples, Carol J. | Carol J. Maples | Director | 2006 | 1 | |
| Monsaingeon, Grégoire | Grégoire Monsaingeon | Actor | 2007 | 9 | |
| Meininger, Laurent | Laurent Meininger | Actor | 2007 | 9 | |
| Meskens, Herman | Herman Meskens | Actor | 2006 | 1 | |
| Martin, Chad | Chad Martin | Actor | 2006 | 1 | |
| Mitchell, Jerrel | Jerrel Mitchell | Actor | 2006 | 1 | |
| Mitchell, Val | Val Mitchell | Actor | 2006 | 1 | |
| Mata, Mike | Mike Mata | Director | 2006 | 1 | |
| Maus, Jeanette | Jeanette Maus | Actor | 2007 | 1 | |
| MacKay, Kim | Kim MacKay | Actor | 2007 | 1 | |
| Molina, Olivia | Olivia Molina | Actor | 2007 | 6 | |
| Miguel, Chema, de | Chema de Miguel | Actor | 2007 | 6 | |
| Mavromati, Anna | Anna Mavromati | Costume Designer | 2007 | 1 | |
| Müller, Johannes | Johannes Müller | Composer | 2007 | 1 | |
| Moutrie, Evelyn | Evelyn Moutrie | Actor, Costume Designer | 2007 | 2 | |
| Mahajan, Prajyot | Prajyot Mahajan | Musical Director | 2014 | 1 | |
| Meyer, Zack | Zack Meyer | Actor | 2015 | 1 | |
| Maier, Barbara | Barbara Maier | Actor | 1922 | 1 | |
| Moss, Arthur | Arthur Moss | Actor | 2007 - 2011 | 13 | |
| Moos, Christopher | Christopher Moos | Lighting Designer | 2006 | 1 | |
| Mathes, Inge | Inge Mathes | Dramaturg | 2006 | 1 | |
| Meskens, Nathalie | Nathalie Meskens | Actor | 2007 | 25 | |
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