| Masuth, Leo | Leo Masuth | Actor | 1970 | 2 | |
| Malm, Mona | Mona Malm | Actor | 1974 - 1975 | 2 | |
| Mård, Tommy | Tommy Mård | Actor | 1974 - 1975 | 2 | |
| Maycock, Hazel | Hazel Maycock | Actor | 1977 - 1978 | 2 | |
| Makovskis, Jānis | Jānis Makovskis | Actor | 1978 | 2 | |
| Mägdefrau, Maria | Maria Mägdefrau | Actor | 1975 - 1981 | 2 | |
| Meacham, Michael | Michael Meacham | Director | 1975 - 1979 | 2 | |
| Meister, Horst, H. | Horst H. Meister | Costume Designer, Designer | 1975 | 2 | |
| Mandel, Jane | Jane Mandel | Actor, Director | 1975 - 2004 | 2 | |
| Meulman, Bea | Bea Meulman | Actor | 1976 - 1979 | 2 | |
| Meisel, Kurt | Kurt Meisel | Actor | 1979 - 1993 | 2 | |
| Mandel, Edgar | Edgar Mandel | Actor | 1967 - 1972 | 2 | |
| Mikołajska, Halina | Halina Mikołajska | Actor | 1975 - 1981 | 2 | |
| Mendl, Michael | Michael Mendl | Actor | 1972 - 1973 | 2 | |
| Matache, Ica | Ica Matache | Actor | 1957 - 1975 | 2 | |
| Mackenzie, Michael | Michael Mackenzie | Actor | 1975 - 1981 | 2 | |
| Matter, Franz | Franz Matter | Actor | 1972 - 1973 | 2 | |
| Maw, Janet | Janet Maw | Actor | 1979 | 2 | |
| Mayes, Richard | Richard Mayes | Actor | 1979 | 2 | |
| Morris, Peter | Peter Morris | Actor | 1961 - 1973 | 2 | 1 |
| Muceniece, Ilga | Ilga Muceniece | Actor | 1964 - 1975 | 2 | |
| Mason, Marshall W. | Marshall W. Mason | Director, Lighting Designer | 1964 - 1973 | 2 | |
| Miller, Carol | Carol Miller | Actor | 1976 - 1977 | 2 | |
| Medwed, Silva | Silva Medwed | Actor | 1970 - 1975 | 2 | |
| Minora, Lee | Lee Minora | Actor | 2014 | 2 | |
| Müller, Monika | Monika Müller | Actor | 1981 - 1987 | 2 | |
| Moffatt, Richard | Richard Moffatt | Lighting Designer | 1979 - 1986 | 2 | |
| Moss, Piotr | Piotr Moss | Composer | 1979 - 2012 | 2 | |
| Mills, Alison | Alison Mills | Actor | 1969 - 1972 | 2 | |
| Müller, Horst | Horst Müller | Actor | 1934 - 1972 | 2 | |
| Murphy, Peter | Peter Murphy | Actor | 1966 - 1976 | 2 | |
| Mittner, Karl | Karl Mittner | Actor | 1965 - 1981 | 2 | |
| Majewsky, Alexander | Alexander Majewsky | Actor | 1907 | 2 | |
| Moran, Ernst | Ernst Moran | Actor | 1910 - 1911 | 2 | |
| Mészáros, Lajos | Lajos Mészáros | Actor | 1914 - 1922 | 2 | |
| Molnár, László | László Molnár | Actor | 1914 - 1917 | 2 | |
| Mills, Harold | Harold Mills | Conductor, Musical Director | 1914 - 1921 | 2 | |
| MacCormack, Katherine | Katherine MacCormack | Actor | 1917 - 1918 | 2 | |
| Mahr, Alfred | Alfred Mahr | Actor | 1911 - 1917 | 2 | |
| Mihályi, Ernő | Ernő Mihályi | Actor | 1919 - 1944 | 2 | |
| Mitrevics, Augusts | Augusts Mitrevics | Actor | 1921 | 2 | |
| Martineau, Guy | Guy Martineau | Actor | 1922 - 1931 | 2 | |
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