| Moffatt, John | John Moffatt | Actor | 1970 | 2 | |
| Maxe, Göthe, Valter | Göthe Valter Maxe (Goethe Maxe) | Actor | 1970 - 1990 | 2 | |
| Mårtensson, Lillemor | Lillemor Mårtensson | Actor | 1974 - 1975 | 2 | |
| Miłaszewska, Wanda | Wanda Miłaszewska | Actor | 1912 | 2 | |
| Matz, Ingeborg | Ingeborg Matz | Actor | 1970 | 2 | |
| 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 | |
| Messina, Cedric | Cedric Messina | Producer | 1965 - 1972 | 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 | |
| Marshall , E.G. | E. G. Marshall | Actor | 1973 - 1980 | 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 | |
| Mandri, Heino | Heino Mandri | Actor | 1962 - 1976 | 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 | |
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