| Mavromatis, Vasilis | Vasilis Mavromatis | Actor | 1972 | 1 | |
| Macdonald, Mickey | Mickey Macdonald | Actor | 1972 | 1 | |
| Martin, Reeve | Reeve Martin | Actor | 1972 | 1 | |
| Martin, Michael | Michael Martin | Actor | 1972 | 1 | |
| Mandel, Edgar | Edgar Mandel | Actor | 1967 - 1972 | 2 | 1 |
| Meußling, Sabine | Sabine Meußling | Actor | 2013 - 2014 | 3 | |
| Mikołajska, Halina | Halina Mikołajska | Actor | 1975 - 1981 | 2 | |
| Mrozowska, Zofia | Zofia Mrozowska | Actor | 1975 | 1 | |
| Musiałek, Teresa | Teresa Musiałek (Teresa Musialek) | Actor | 1975 | 1 | |
| Michalewski, Romuald | Romuald Michalewski | Actor | 1975 | 1 | |
| May, Andrzej | Andrzej May | Actor | 1973 | 1 | |
| May, Ena | Ena May | Actor | 1973 | 1 | |
| Marshall, E.G. | E.G. Marshall | Actor | 1960 - 1980 | 3 | 1 |
| Mühe, Ulrich | Ulrich Mühe | Actor | 1979 - 2006 | 5 | 1 |
| Marshall, Peggy | Peggy Marshall | Actor | 1975 - 1979 | 3 | |
| Mendl, Michael | Michael Mendl | Actor | 1972 - 1973 | 2 | |
| Macready, Susan | Susan Macready | Actor | 1972 | 6 | |
| Martin, Trevor | Trevor Martin | Actor | 1975 | 1 | |
| Metzner, Hildegard | Hildegard Metzner | Actor | 1973 | 1 | |
| Mücke, Annelies | Annelies Mücke | Actor | 1961 - 1973 | 3 | |
| Matache, Ica | Ica Matache | Actor | 1957 - 1975 | 2 | |
| Maekawa, Testuo | Testuo Maekawa | Actor | 1976 | 1 | |
| Mackenzie, Michael | Michael Mackenzie | Actor | 1975 - 1981 | 2 | |
| Matter, Franz | Franz Matter | Actor | 1972 - 1973 | 2 | |
| Moreth, Detlev | Detlev Moreth | Actor | 1973 - 1985 | 5 | |
| Maw, Janet | Janet Maw | Actor | 1979 | 2 | |
| Mayes, Richard | Richard Mayes | Actor | 1979 | 2 | |
| Mackenzie, Julia | Julia Mackenzie | Actor | 1979 | 1 | |
| Madin, Holger | Holger Madin | Actor | 1979 | 1 | |
| Moore, Daphne | Daphne Moore | Actor | 1979 | 1 | |
| Müller-Reitzner, Kurt | Kurt Müller-Reitzner | Actor | 1971 - 1983 | 5 | |
| Maier, Ellen | Ellen Maier | Actor | 1972 | 1 | |
| Morris, Peter | Peter Morris | Actor | 1961 - 1973 | 2 | 1 |
| Muller, Franz | Franz Muller | Actor | 1899 | 1 | |
| Muller, - | - Muller | Actor | 1899 | 1 | |
| Martinsons, Anatols | Anatols Martinsons | Actor | 1975 | 1 | |
| Muceniece, Ilga | Ilga Muceniece | Actor | 1964 - 1975 | 2 | |
| Mertinz, Johanna | Johanna Mertinz | Actor | 1975 | 1 | |
| Madden, Sharon | Sharon Madden | Actor | 1973 | 1 | |
| Miller, Carol | Carol Miller | Actor | 1976 - 1977 | 2 | |
| Mebus, Eduard | Eduard Mebus | Actor | 1900 | 1 | |
| Maurer, Marie, von | Marie von Maurer | Actor | 1900 - 1912 | 4 | |
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