| Malenowska, Maria | Maria Malenowska | Actor | 1921 | 2 | |
| Manoliu, Z. | Z. Manoliu | Actor | 1921 | 1 | |
| Muscan, M. | M. Muscan | Actor | 1921 - 1923 | 3 | |
| Mizutani, Yaeko, | Yaeko Mizutani | Actor | 1921 - 1924 | 3 | |
| Molander, Gustaf | Gustaf Molander | Actor | 1921 - 1925 | 2 | |
| Maraval, -, | - Maraval | Actor | 1921 - 1926 | 3 | |
| Melchinger, Alfons, | Alfons Melchinger | Actor, Director | 1921 - 1927 | 3 | |
| Müller, Paul | Paul Müller | Actor | 1921 - 1928 | 10 | |
| Medenwaldt, Immanuel, | Immanuel Medenwaldt | Actor | 1921 - 1934 | 5 | |
| Methling, Svend, | Svend Methling | Actor, Adaptation, Designer, Director | 1921 - 1964 | 9 | |
| Molander, Olof | Olof Molander | Adaptation, Director, Translator | 1921 - 1979 | 5 | |
| Marvick, Laurentia, | Laurentia Marvick | Actor | 1922 | 1 | |
| Mickelson, Lawrence T., | Lawrence T. Mickelson (Lawrence T. Mickelson) | Actor | 1922 | 1 | |
| Mathre, Gerhard, | Gerhard Mathre | Actor | 1922 | 1 | |
| Martelli, Arnaldo, | Arnaldo Martelli | Actor | 1922 | 3 | |
| Murata, Kikuko, | Kikuko Murata | Actor | 1922 | 1 | |
| Murata, Miyako, | Miyako Murata | Actor | 1922 | 1 | |
| Mumdzhiev, K., | K. Mumdzhiev | Actor | 1922 | 1 | |
| Masi, Rossana, | Rossana Masi | Actor | 1922 | 1 | |
| Meads, Ernest | Ernest Meads | Actor | 1922 | 1 | |
| Mangström, Anna | Anna Mangström | Actor | 1922 | 1 | |
| Mols, Pierre | Pierre Mols | Actor | 1922 | 1 | |
| Madier, Leonie | Leonie Madier | Actor | 1922 | 1 | |
| Mildhia, Lia | Lia Mildhia | Dancer | 1922 | 1 | |
| Monostori, Margit | Margit Monostori | Actor | 1922 | 1 | |
| Maier, Barbara | Barbara Maier | Actor | 1922 | 1 | |
| Mikulič, - | - Mikulič | Actor | 1922 | 1 | |
| Meyer, Franz | Franz Meyer | Actor | 1922 | 2 | |
| Milutinović, Dobrica | Dobrica Milutinović | Actor | 1922 | 1 | |
| Mari, Sergio | Sergio Mari | Actor | 1922 | 1 | |
| Moeller, Martha | Martha Moeller | Actor | 1922 - 1923 | 5 | |
| Merritt, George, | George Merritt | Actor | 1922 - 1925 | 4 | |
| Mangel, Selma | Selma Mangel | Actor | 1922 - 1925 | 4 | |
| McConnell, Frederic, | Frederic McConnell | Director | 1922 - 1930 | 3 | |
| Mihályfi, László | László Mihályfi | Actor | 1922 - 1930 | 8 | |
| Martineau, Guy | Guy Martineau | Actor | 1922 - 1931 | 2 | |
| Molter, Lotte | Lotte Molter | Actor | 1922 - 1937 | 3 | |
| Meyer, Karin | Karin Meyer | Actor | 1922 - 1940 | 12 | |
| Maurach, Johannes | Johannes Maurach | Director | 1922 - 1943 | 2 | |
| May, Elsbeth, | Elsbeth May | Actor | 1922 - 1990 | 3 | |
| Murray, Margaret, | Margaret Murray | Actor | 1923 | 1 | |
| McDonnell, P.J., | P. J. McDonnell (P.J. McDonnell) | Actor | 1923 | 2 | |
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