| Mori, Eijiro | Eijiro Mori | Actor | 1911 - 1912 | 4 | |
| Mori, Masao | Masao Mori | Actor | 1940 - 1946 | 2 | |
| Möring, Brigitte | Brigitte Möring | Actor | 1978 - 1981 | 2 | |
| Moritz, Dorothea | Dorothea Moritz | Actor | 1954 | 1 | |
| Morris, Brid | Brid Morris | Actor | 1965 | 1 | |
| Morris, Dawn | Dawn Morris | Actor | 2007 | 1 | |
| Morris, Polly | Polly Morris | Actor | 1984 | 1 | |
| Morrow, Helen | Helen Morrow | Actor | 1929 | 3 | |
| Morschett, Karsten | Karsten Morschett | Actor | 2006 | 16 | |
| Mortensen, Lia | Lia Mortensen | Actor | 2001 | 2 | |
| Moser, Wolfgang | Wolfgang Moser | Designer | 1960 - 1977 | 3 | |
| Moss, Harry | Harry Moss | Actor | 1924 | 1 | |
| Moss, Sam | Sam Moss | Choreographer | 2006 | 23 | |
| Moszkowicz, Imo | Imo Moszkowicz | Director | 1964 - 1965 | 4 | |
| Motley, Robert | Robert Motley | Designer | 1956 | 1 | |
| Mott, Charles | Charles Mott | Actor | 1963 | 1 | |
| Mounier, Jenny | Jenny Mounier | Actor | 1890 | 1 | |
| Mourao, Amanda | Amanda Mourao | Actor | 2002 | 1 | |
| Moyer, Allen | Allen Moyer | Designer | 1993 | 1 | |
| Mtalika, Henry | Henry Mtalika | Actor | 2006 | 23 | |
| Mtambo, Watupa | Watupa Mtambo | Actor | 2006 | 23 | |
| Mudek, Valeri | Valeri Mudek | Actor | 2006 | 1 | |
| Mudrack, Henriette | Henriette Mudrack | Actor | 1998 | 1 | |
| Mueller, Johannes | Johannes Mueller | Sound Designer | 2006 | 3 | |
| Mufti, Uns | Uns Mufti | Composer | 2006 - 2012 | 4 | |
| Mühlhan, Margarethe | Margarethe Mühlhan | Actor | 1946 - 1954 | 2 | |
| Mulhollon, Brian | Brian Mulhollon | Actor | 1997 | 1 | |
| Mulimbika, Agnes | Agnes Mulimbika | Actor | 2006 | 1 | |
| Muller, Mathieu | Mathieu Muller | Actor | 2000 - 2003 | 2 | |
| Muller, Myriam | Myriam Muller | Actor | 2000 - 2020 | 4 | |
| Müller, Agnes | Agnes Müller | Actor | 1898 - 1907 | 7 | |
| Müller, Anneliese | Anneliese Müller | Actor | 1987 | 1 | |
| Müller, Bruno | Bruno Müller | Actor | 1961 | 1 | |
| Müller, Carl | Carl Müller | Actor | 1961 - 1970 | 2 | |
| Müller, Carla | Carla Müller | Actor | 1907 | 1 | |
| Müller, Elisabeth | Elisabeth Müller | Actor | 1946 - 1975 | 4 | |
| Müller, Erna | Erna Müller | Actor | 1894 - 1904 | 4 | |
| Müller, Gert | Gert Müller | Composer, Dramaturg | 1981 - 1996 | 3 | |
| Müller, Gertrud | Gertrud Müller | Actor | 1894 - 1941 | 7 | |
| Müller, Helga | Helga Müller | Actor | 1936 | 1 | |
| Müller, Hilde | Hilde Müller | Actor | 1909 - 1927 | 4 | |
| Müller, Jens | Jens Müller | Actor | 1993 | 2 | |
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