| Maierhofer, Ferdinand, | Ferdinand Maierhofer | Actor | 1920 - 1947 | 5 | |
| Molander, Gustaf | Gustaf Molander | Actor | 1921 | 2 | |
| Morgen, Maria, | Maria Morgen | Actor | 1921 | 1 | |
| Maraval, -, | - Maraval | Actor | 1921 | 3 | |
| McEntee, Frank, | Frank McEntee | Actor, Director | 1921 | 2 | |
| Markstein, Grete, | Grete Markstein | Actor | 1921 | 1 | |
| Morgen, Josefa, | Josefa Morgen | Actor | 1921 | 1 | |
| Menzinger, Anton, | Anton Menzinger | Actor | 1921 | 1 | |
| Medenwaldt, Immanuel, | Immanuel Medenwaldt | Actor | 1921 | 3 | |
| Martens, Alma, | Alma Martens | Actor | 1921 | 1 | |
| Mirtsch, Senta, | Senta Mirtsch | Actor | 1921 | 1 | |
| Manon, Ida, | Ida Manon | Actor | 1921 | 1 | |
| Melchinger, Alfons, | Alfons Melchinger | Actor, Director | 1921 | 3 | |
| Marchand, Eugen, | Eugen Marchand | Actor | 1921 | 1 | |
| Marstrand, Günther, | Günther Marstrand | Actor | 1921 | 1 | |
| Messiter, Eric, | Eric Messiter | Actor | 1921 | 1 | |
| Myron, J., | J. Myron | Director | 1921 | 1 | |
| Molander, Olof | Olof Molander | Adaptation, Director, Translator | 1921 | 5 | |
| Maybury, Edgar | Edgar Maybury | Designer | 1921 | 1 | |
| McCreery, Helen | Helen McCreery | Actor | 1921 | 1 | |
| Manners, T., P. | T. P. Manners | Actor | 1921 | 1 | |
| Mača, Alma | Alma Mača | Actor | 1921 | 1 | |
| Muncis, Jānis | Jānis Muncis | Designer | 1921 | 1 | |
| Mačs, Emils | Emils Mačs | Actor | 1921 | 3 | |
| Marseets, Jānis | Jānis Marseets | Actor | 1921 | 5 | |
| Mitrevics, Augusts | Augusts Mitrevics | Actor | 1921 | 2 | |
| Mann, Max | Max Mann | Actor | 1921 | 1 | |
| Molenaar, Herbert | Herbert Molenaar | Actor | 1921 | 1 | |
| 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 | |
| Müller, Paul | Paul Müller | Actor | 1921 - 1928 | 10 | |
| Methling, Svend, | Svend Methling | Actor, Adaptation, Designer, Director | 1921 - 1964 | 9 | |
| McConnell, Frederic, | Frederic McConnell | Director | 1922 | 3 | |
| Merritt, George, | George Merritt | Actor | 1922 | 4 | |
| 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 | |
| May, Elsbeth, | Elsbeth May | Actor | 1922 | 3 | |
| Martelli, Arnaldo, | Arnaldo Martelli | Actor | 1922 | 3 | |
| Murata, Kikuko, | Kikuko Murata | Actor | 1922 | 1 | |
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Contributors
