| Mensching, Herbert | Herbert Mensching | Actor | 1969 | 1 | |
| Mentzel, Horst | Horst Mentzel | Director | 1975 | 1 | |
| Menzel, Heinz | Heinz Menzel | Actor | 1973 | 1 | |
| Meraj, Salim | Salim Meraj | Actor | 2006 - 2012 | 4 | |
| Mercure, Jean | Jean Mercure | Director | 1952 | 1 | |
| Meredith, Carol | Carol Meredith | Actor | 1974 | 1 | |
| Meredith, John | John Meredith | Actor | 1974 | 1 | |
| Meredith, Victor | Victor Meredith | Actor | 1968 | 1 | |
| Meriläinen, Marja | Marja Meriläinen | Producer | 2006 | 1 | |
| Merino, Juana | Juana Merino | Costume Designer | 1956 | 1 | |
| Merivale, Philip | Philip Merivale | Actor | 1944 | 1 | |
| Merk, Romano | Romano Merk | Actor | 1958 | 1 | |
| Merz, Horst | Horst Merz | Composer | 1992 | 1 | |
| Messana, Maurizio | Maurizio Messana | Adaptation, Director | 1996 | 4 | |
| Messersmith, Mark | Mark Messersmith | Actor | 2007 | 1 | |
| Messmer, Valérie | Valérie Messmer | Costume Designer | 2006 | 1 | |
| 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, Wilhelm | Wilhelm Meyer | Actor | 1976 - 1980 | 3 | |
| Meyers, William | William Meyers | Sound Designer | 2006 | 1 | |
| 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 | 1974 - 1993 | 10 | |
| 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 | |
| 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 | |
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