| Mesmer, Hermann, | Hermann Mesmer | Actor | 1915 – 1926 | 7 | |
| Mölle, Carl, | Carl Mölle | Actor | 1915 | 1 | |
| Mathes, Bea, | Bea Mathes | Actor | 1915 | 1 | |
| Michaelis, Edith, | Edith Michaelis | Actor | 1915 | 1 | |
| Maximilian, Max, | Max Maximilian | Actor | 1890 | 2 | |
| Moser, Paula, | Paula Moser | Actor | 1915 | 1 | |
| Marco, Nelly, | Nelly Marco | Actor | 1915 | 1 | |
| Müller, Robert, | Robert Müller | Actor | 1915 | 4 | |
| Monnard, Bertha, | Bertha Monnard | Actor | 1915 | 3 | |
| Müller-Hanno, Minna, | Minna Müller-Hanno | Actor | 1916 – 1925 | 10 | |
| Mölle, Albin, | Albin Mölle | Actor | 1916 – 1918 | 2 | |
| Meyer-Sanden, Willy, | Willy Meyer-Sanden | Actor | 1916 | 3 | |
| Milbradt, Paul, | Paul Milbradt | Actor | 1916 | 8 | |
| Müller-Hanno, Otto, | Otto Müller-Hanno | Actor, Director | 1916 – 1921 | 13 | |
| Miller, -, | - Miller | Actor | 1916 | 2 | |
| Mederow, Paul, | Paul Mederow (Paul Mederow) | Actor | 1917 | 2 | |
| Malén, Max, | Max Malén | Actor | 1917 | 1 | |
| Marlitz, Robert, | Robert Marlitz | Actor | 1907 – 1917 | 4 | |
| Mertens, Elfriede, | Elfriede Mertens | Actor | 1917 | 1 | |
| Moderow, Wilhelmine, | Wilhelmine Moderow | Actor | 1917 | 4 | |
| Marx, Anna, | Anna Marx | Actor | 1917 | 2 | |
| Melow, Albert, | Albert Melow | Actor | 1917 | 5 | |
| Martin-Bahn, Roma, | Roma Martin-Bahn | Actor | 1917 | 2 | |
| Mayer, Lina, | Lina Mayer | Actor | 1917 | 2 | |
| Müller, kl., | kl. Müller | Actor | 1917 | 1 | |
| Melcher, Otto, | Otto Melcher | Actor | 1918 | 1 | |
| Müller, Alwine, | Alwine Müller | Actor | 1896 – 1923 | 23 | |
| Mierendorff, Hans, | Hans Mierendorff | Actor | 1911 | 4 | |
| Michl, Frieda, | Frieda Michl | Actor | 1918 | 1 | |
| Maack, Frk., | Frk. Maack | Actor | 1918 | 5 | |
| Maack, Mr., | Mr. Maack | Actor | 1918 | 1 | |
| Maack, Fr., | Fr. Maack | Actor | 1918 | 1 | |
| Mörike, Annemarie, | Annemarie Mörike | Actor | 1918 | 3 | |
| Menzel, Arthur, | Arthur Menzel | Actor | 1918 | 2 | |
| Meyer, Otto, | Otto Meyer | Actor | 1889 – 1890 | 4 | |
| Maukwitz, Otto, | Otto Maukwitz | Actor | 1918 | 1 | |
| Müller, Condi, | Condi Müller | Actor | 1918 | 1 | |
| Möbius, Paula, | Paula Möbius | Actor | 1919 – 1922 | 3 | |
| Mandler, Gertrud, | Gertrud Mandler | Actor | 1919 | 1 | |
| Morgen, Josefa, | Josefa Morgen | Actor | 1921 | 1 | |
| Mennenga, Jan, | Jan Mennenga | Actor | 1919 – 1938 | 3 | |
| Maschke, Gretel, | Gretel Maschke | Actor | 1920 | 1 | |
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