| Murakami, Miyuki | Miyuki Murakami | Lighting Designer | 2007 - 2009 | 6 | |
| Murakami, Satomi | Satomi Murakami | Actor | 2006 - 2008 | 3 | |
| Murase, Sachiko | Sachiko Murase | Actor | 1928 - 1976 | 3 | |
| Murchison, Ruari | Ruari Murchison | Designer | 2002 - 2006 | 10 | |
| Mürk, Harri | Harri Mürk | Actor | 1983 | 1 | |
| Muromachi, Utae | Utae Muromachi | Actor | 1924 | 1 | |
| Murphy, Alfie | Alfie Murphy | Actor | 1965 | 1 | |
| Murphy, Brittany | Brittany Murphy | Actor | 2004 | 1 | |
| Murphy, John | John Murphy | Actor | 1971 - 2000 | 3 | |
| Murphy, Sean | Sean Murphy | Actor | 1971 - 2011 | 2 | |
| Murray, Audrey | Audrey Murray | Actor | 1960 | 1 | |
| Murray, Leigh | Leigh Murray | Actor | 1884 | 1 | |
| Murray, Margaret | Margaret Murray | Actor | 1923 | 1 | |
| Murray, Rupert | Rupert Murray | Lighting Designer | 1984 - 1993 | 2 | |
| Murrell, John | John Murrell | Adaptation, Translator | 1983 - 2007 | 6 | |
| Murtagh, Paddy | Paddy Murtagh | Actor | 1965 | 1 | |
| Murtagh-Monks, Annie | Annie Murtagh-Monks | Actor | 1982 - 1991 | 3 | |
| Muscato, Leo | Leo Muscato | Adaptation, Director, Dramaturg | 2006 - 2007 | 9 | |
| Musgrove, Katherine | Katherine Musgrove | Director | 2004 | 1 | |
| Musial, Magdalena | Magdalena Musial | Costume Designer, Designer | 2000 | 2 | |
| Music, Leila | Leila Music | Actor | 2002 | 1 | |
| Musik, Reinhard | Reinhard Musik | Actor | 1973 | 1 | |
| Mustakallio, Minttu | Minttu Mustakallio | Actor | 2002 | 1 | |
| Muszyński, Antoni | Antoni Muszyński | Designer | 1955 | 1 | |
| Muszynski, Gerd | Gerd Muszynski | Dramaturg | 2004 | 1 | |
| Mutalipassi, Loredana | Loredana Mutalipassi | Lighting Designer, Sound Designer | 2006 | 2 | |
| Mutino, Peter | Peter Mutino | Actor | 2008 | 1 | |
| Mutter, Johannita | Johannita Mutter | Costume Designer, Mask Maker | 2004 - 2014 | 3 | |
| Mutterlein, Leonore | Leonore Mutterlein | Actor | 1953 | 1 | |
| Muzzolon, Marco | Marco Muzzolon | Designer | 1999 | 1 | |
| Mwachiro, Kevin | Kevin Mwachiro | Actor | 2006 | 1 | |
| Mwakazi, Johnson | Johnson Mwakazi | Actor | 2006 | 1 | |
| Mwangala, Situmbeka | Situmbeka Mwangala | Actor | 2006 | 1 | |
| Myatt, Celinda | Celinda Myatt | Actor | 2003 | 1 | |
| Myers, Ben | Ben Myers | Actor | 2002 | 1 | |
| Myers, Danny | Danny Myers | Actor | 2004 | 1 | |
| Myers, Jamie | Jamie Myers | Actor | 2004 | 1 | |
| Myers, Roland | Roland Myers | Mask Maker | 1963 | 1 | |
| Myers, Scott | Scott Myers | Sound Designer | 1996 - 1997 | 3 | |
| Myles, Chris | Chris Myles | Actor | 2008 | 4 | |
| Mylrae, John | John Mylrae | Designer | 1939 | 1 | |
| Mylroy, Donna | Donna Mylroy | Actor | 1936 | 1 | |
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