| Mullo, -, | - Mullo | Actor | 1919 | 1 | |
| Melvyl, -, | - Melvyl | Actor | 1919 | 1 | |
| Martini, Mortimer, | Mortimer Martini | Actor | 1920 | 4 | |
| Molnár, József, | József Molnár | Actor | 1920 | 2 | |
| Miliander, Sven, | Sven Miliander | Actor | 1920 | 6 | |
| Martin, Knut, | Knut Martin | Actor | 1920 | 1 | |
| Mycot, -, | - Mycot | Actor | 1920 | 1 | |
| Messiter, Eric, | Eric Messiter | Actor | 1921 | 1 | |
| 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 | |
| Murata, Miyako, | Miyako Murata | Actor | 1922 | 1 | |
| Mumdzhiev, K., | K. Mumdzhiev | Actor | 1922 | 1 | |
| Masi, Rossana, | Rossana Masi | Actor | 1922 - 1923 | 1 | |
| McMahon, Glenn, | Glenn McMahon | Actor | 1923 | 1 | |
| Metaxa, Antigoni, | Antigoni Metaxa | Actor | 1923 | 1 | |
| Morino, Jone, | Jone Morino | Actor | 1923 - 1929 | 5 | |
| Morino, Maria, | Maria Morino | Actor | 1923 - 1924 | 2 | |
| Meussen, Gerard, | Gerard Meussen | Actor | 1923 | 1 | |
| Moore, Frank, | Frank Moore | Actor | 1913 - 1925 | 4 | |
| Michelsen, Randi, | Randi Michelsen | Actor | 1924 - 1954 | 4 | |
| Mjøen, Sonja, | Sonja Mjøen | Actor | 1924 | 1 | |
| Moseley, Kathleen, | Kathleen Moseley | Actor | 1924 | 2 | |
| Makó, Aida, | Aida Makó | Actor | 1924 | 1 | |
| Magnúsdóttir, Lara, | Lara Magnúsdóttir | Actor | 1924 | 1 | |
| Mitchell, Mrs. | Mrs. Mitchell | Actor | 1926 | 1 | |
| Moulton, Harold | Harold Moulton | Actor | 1926 | 3 | |
| Matthews, Ross | Ross Matthews | Actor | 1926 | 1 | |
| Morris, Ann | Ann Morris | Actor | 1926 | 1 | |
| Mezzanotte, A. | A. Mezzanotte | Actor | 1892 - 1894 | 8 | |
| Mugnaini, A. | A. Mugnaini | Actor | 1892 - 1894 | 8 | |
| Mula, Tom | Tom Mula | Actor | 1972 | 1 | |
| Masson, William C. | William C. Masson | Actor | 1926 - 1927 | 6 | |
| Miller, Antha | Antha Miller | Actor | 1927 | 1 | |
| Maloberti, Tiziana | Tiziana Maloberti | Actor | 1927 - 1928 | 1 | |
| Martini, Rodolfo | Rodolfo Martini | Actor | 1927 - 1928 | 1 | |
| Maneva, Petja | Petja Maneva | Actor | 1974 | 1 | |
| Mágori, Dóra | Dóra Mágori | Actor | 1927 | 38 | |
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