| Mellberg, Johanna | Johanna Mellberg | Actor | 1999 | 1 | |
| Mellberg, Rasmus | Rasmus Mellberg | Actor | 1980 | 1 | |
| Melldahl, Åsa | Åsa Melldahl | Director | 2000 - 2007 | 3 | |
| Mellor, Harold | Harold Mellor | Actor | 1963 - 1977 | 3 | |
| Melsing, Svend | Svend Melsing | Actor | 1907 - 1942 | 5 | |
| Meltke, Martin | Martin Meltke | Director | 1981 | 1 | |
| Mendes, Manuel | Manuel Mendes | Actor | 1993 - 2004 | 2 | |
| Menelaus, Jane | Jane Menelaus | Actor | 1989 | 1 | |
| Menger, Willy | Willy Menger | Actor | 1966 | 1 | |
| Mensching, Herbert | Herbert Mensching | Actor | 1969 | 1 | |
| Mentzel, Horst | Horst Mentzel | Director | 1975 | 1 | |
| Menzel, Heinz | Heinz Menzel | Actor | 1973 | 1 | |
| Menzies, Robert | Robert Menzies | Actor | 1988 - 2017 | 5 | |
| 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 | |
| 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 - 2022 | 275 | |
| 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 | |
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