| MacClellan, Ellis, | Ellis MacClellan | Actor | 1905 | 1 | |
| Meech, Owen, | Owen Meech | Actor | 1905 – 1910 | 4 | |
| Minto, Dorothy, | Dorothy Minto | Actor | 1905 | 1 | |
| MacGregor, Mr., | Mr. MacGregor | Actor | 1905 | 1 | |
| Murby, Millicent, | Millicent Murby | Actor | 1904 | 2 | |
| Mitchelmore, Daisy, | Daisy Mitchelmore | Actor | 1905 | 1 | |
| Massin, -, | - Massin | Actor | 1906 | 2 | |
| Mirskaya, -, | - Mirskaya | Actor | 1906 | 2 | |
| Moret, Henriette, | Henriette Moret | Actor | 1906 | 10 | |
| Møller, Julie, | Julie Møller | Actor | 1906 | 1 | |
| Marot, -, | - Marot | Actor | 1906 | 1 | |
| Marjeroni, George, | George Marjeroni | Actor | 1906 | 2 | |
| Michnowska, Stefania, | Stefania Michnowska | Actor | 1906 – 1914 | 13 | |
| Moustakas, Konstantinos, | Konstantinos Moustakas | Actor | 1906 | 4 | |
| Mason, William C., | William C. Mason (William C. Mason) | Actor | 1906 – 1926 | 5 | |
| Moser, Emil, | Emil Moser | Actor | 1906 | 6 | |
| Magnus, Cecil, | Cecil Magnus | Actor | 1906 | 6 | |
| MacDermott, Marc, | Marc MacDermott | Actor | 1906 | 12 | |
| Mendelssohn, Gordon, | Gordon Mendelssohn | Actor | 1906 | 6 | |
| MacDonald, George, | George MacDonald | Actor | 1906 | 4 | |
| Munt, E. M., | E. M. Munt (E. M. Munt) | Actor | 1906 | 1 | |
| Młodowska, (?), | (?) Młodowska | Actor | 1906 | 1 | |
| Mastalski, Zenon, | Zenon Mastalski | Actor | 1907 – 1910 | 4 | |
| McGuire, John, | John McGuire | Actor | 1907 | 1 | |
| MacLarnie, Thomas, | Thomas MacLarnie | Actor | 1907 | 1 | |
| Mowinckel-Nilsen, Aug., | August Mowinckel-Nilsen (Aug. Mowinckel-Nilsen) | Actor | 1907 – 1911 | 5 | |
| Measor, Adela, | Adela Measor | Actor | 1907 | 1 | |
| Majeroni, Georgio, | Georgio Majeroni | Actor | 1907 | 1 | |
| McVicker, Sarah, | Sarah McVicker | Actor | 1907 | 1 | |
| Mendel, Georg, | Georg Mendel | Actor | 1907 | 1 | |
| Malmberg, Erik, | Erik Malmberg | Actor | 1907 – 1908 | 6 | |
| Mellish, Fuller, | Fuller Mellish | Actor | 1907 – 1910 | 8 | |
| Montgomery, Florence, | Florence Montgomery | Actor | 1907 – 1908 | 4 | |
| Miller, Henriette, | Henriette Miller | Actor | 1908 | 1 | |
| Muzikants, K., | K. Muzikants | Actor | 1908 | 1 | |
| McNeill, Mildred, | Mildred McNeill | Actor | 1908 | 1 | |
| Morgan, Ralph, | Ralph Morgan | Actor | 1908 | 1 | |
| Molin, Edw., | Edw. Molin | Actor | 1908 | 1 | |
| Mihelsons, Aleksandrs, | Aleksandrs Mihelsons | Actor | 1908 | 4 | |
| Mańkowska, Bogusława, | Bogusława Mańkowska | Actor | 1908 | 1 | |
| Małecki, Stanisław, | Stanisław Małecki | Actor | 1908 | 1 | |
| Malinowski, Jan, | Jan Malinowski | Actor | 1908 | 1 | |
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