| Merz, Horst | Horst Merz | Composer | 1992 | 1 | |
| Meshulach, Rivka | Rivka Meshulach | Translator | 1999 - 2000 | 2 | |
| Messana, Maurizio | Maurizio Messana | Adaptation, Director | 1996 | 4 | |
| Messersmith, Mark | Mark Messersmith | Actor | 2007 | 1 | |
| Messmer, Valérie | Valérie Messmer | Costume Designer | 2006 | 1 | |
| Mestad, Henrik | Henrik Mestad | Actor | 1991 - 2016 | 66 | |
| Metcalfe, Edgar | Edgar Metcalfe | Director | 1970 | 3 | |
| Mete, Marco | Marco Mete | Actor | 1999 - 2000 | 4 | |
| Metowa, Hanka | Hanka Metowa | Actor | 1987 | 1 | |
| Metzler-Tolksdorf, Lieselotte | Lieselotte Metzler-Tolksdorf | Choreographer | 1969 | 1 | |
| Meunier, Enny | Enny Meunier | Actor | 1955 - 1977 | 3 | |
| Meyenburg, Susanne | Susanne Meyenburg | Actor | 2006 | 16 | |
| Meyer, Hartmut | Hartmut Meyer | Designer | 1985 - 1994 | 4 | |
| Meyer, Jean | Jean Meyer | Actor, Adaptation, Director | 1976 - 1984 | 6 | |
| Meyer, Johannes | Johannes Meyer | Actor | 1925 - 2004 | 25 | |
| Meyer, Michael | Michael Meyer | Adaptation, Translator | 1958 - 2019 | 263 | |
| Meyer, Wilhelm | Wilhelm Meyer | Actor | 1976 - 1980 | 3 | |
| Meyers, William | William Meyers | Sound Designer | 2006 | 1 | |
| Meyn, Robert | Robert Meyn | Actor, Director | 1935 - 1952 | 5 | |
| Mezey, Lajos | Lajos Mezey | Actor | 1947 - 1991 | 5 | |
| Meződi, Erzsébet | Erzsébet Meződi | Actor | 1961 | 1 | |
| Mezynski, Linda | Linda Mezynski | Actor | 1971 | 1 | |
| Mezzanotte, Luigi | Luigi Mezzanotte | Actor | 1975 - 1993 | 4 | |
| Mhlanga, Larry | Larry Mhlanga | Actor | 2003 | 1 | |
| Mian, Daniel | Daniel Mian | Actor | 2004 - 2012 | 2 | |
| Michael, Pierre | Pierre Michael | Actor | 1976 - 1980 | 2 | |
| Michaelis, Ruscha | Ruscha Michaelis | Actor | 1897 - 1898 | 2 | |
| Michaels, Stephen | Stephen Michaels | Director | 1991 | 1 | |
| Michalatou, Maeri | Maeri Michalatou | Translator | 2006 - 2012 | 5 | |
| Michel, Minerva | Minerva Michel | Actor | 1980 | 1 | |
| Michell, Bruce | Bruce Michell | Actor | 2004 | 1 | |
| Michlewiczowa, Wilhelmina | Wilhelmina Michlewiczowa | Actor | 1888 | 1 | |
| Micińska, Magdalena | Magdalena Micińska | Actor | 1882 - 1908 | 3 | |
| Mielche, Edouard | Edouard Mielche | Actor, Director | 1935 - 2003 | 12 | |
| Mierlauks, Aleksis | Aleksis Mierlauks | Actor, Director | 1905 - 1921 | 7 | |
| Migliardi, Mario | Mario Migliardi | Composer | 1974 | 2 | |
| Mihai, Mihaela | Mihaela Mihai | Actor | 2006 | 2 | |
| Mihalesco, Alexandre | Alexandre Mihalesco | Actor | 1928 | 1 | |
| Mihályfi, Károly | Károly Mihályfi | Actor | 1914 - 1927 | 4 | |
| Miiros, Annika | Annika Miiros | Actor | 1980 - 1986 | 2 | |
| Mikkelsen, Johannes | Johannes Mikkelsen | Costume Designer | 2001 - 2004 | 5 | |
| Miklós, Klára | Klára Miklós | Actor | 1961 | 1 | |
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