| Morris, Ann | Ann Morris | Actor | 1926 | 1 | |
| Morrill, Dexter | Dexter Morrill | Composer | 1968 | 1 | |
| Morriënc, Henri, | Henri Morriënc | Actor | 1891 | 5 | |
| Morricone, -, | - Morricone | Composer | 2004 - 2005 | 2 | |
| Morrice, Marilyn | Marilyn Morrice | Actor | 1948 | 1 | |
| Morrell, Geoff | Geoff Morrell | Actor | 1989 | 1 | |
| Morrell, David | David Morrell | Actor | 1983 | 1 | |
| Morrell, Ann | Ann Morrell | Costume Designer | 1977 - 1978 | 1 | |
| Morre, Stephen | Stephen Morre | Actor | 1971 | 1 | |
| Morozowicz, Rufin(?), | Rufin(?) Morozowicz | Actor | 1901 - 1902 | 1 | |
| Morozowicz, Henryk, | Henryk Morozowicz | Actor, Director | 1900 | 2 | |
| Morozova, -, | - Morozova | Actor | 1914 | 1 | |
| Morozov, Stanislav | Stanislav Morozov | Designer | 1981 | 1 | |
| Morozov, S. | S. Morozov | Designer | 2002 | 1 | |
| Morozov, Anatolij | Anatolij Morozov | Actor | 2008 - 2009 | 1 | |
| Morosi, Ugo Maria | Ugo Maria Morosi | Actor | 1984 - 1985 | 2 | |
| Moroney, William | William Moroney | Actor | 1949 | 1 | |
| Moroney, Ed | Ed Moroney | Actor | 2011 | 1 | |
| Morón, Manuel | Manuel Morón | Actor | 2001 | 5 | |
| Morón, Joaquín | Joaquín Morón | Actor | 2010 | 1 | |
| Moroguchi, Jyuku | Jyuku Moroguchi | Actor | 1913 | 1 | |
| Morogiannis, Giorgos | Giorgos Morogiannis | Actor | 1981 - 1992 | 11 | |
| Morocutti, Emmy | Emmy Morocutti | Actor | 1910 - 1913 | 2 | |
| Morocutti, Camillo | Camillo Morocutti | Actor | 1910 | 3 | |
| Moro, Moreno | Moreno Moro | Conductor | 1978 | 2 | |
| Moro, José | José Moro | Dancer | 2012 - 2020 | 2 | |
| Moro-Pilotto, Antonietta, | Antonietta Moro-Pilotto | Actor | 1892 - 1893 | 10 | |
| Mörner, Stellan | Stellan Mörner | Designer | 1947 | 1 | |
| Mörner, Dorothy, | Dorothy Mörner | Actor | 2002 - 2003 | 3 | |
| Mörne, Signe, | Signe Mörne | Actor | 1917 | 1 | |
| Mormino, Francesco | Francesco Mormino | Actor | 1995 - 2003 | 29 | |
| Morlinghaus, Marcus | Marcus Morlinghaus | Actor | 1990 - 2007 | 17 | |
| Morley, Marianne | Marianne Morley | Actor | 1978 | 1 | |
| Morley, Katherine Rose | Katherine Rose Morley | Actor | 2017 | 1 | |
| Morley, Katharine | Katharine Morley | Actor | 1938 | 1 | |
| Morley, Karen | Karen Morley | Actor | 1942 | 1 | |
| Morley, Jim | Jim Morley | Actor | 2011 | 1 | |
| Morley, Christopher | Christopher Morley | Costume Designer, Designer | 1983 | 2 | |
| Morley, Carol | Carol Morley | Actor | 1978 | 2 | |
| Morlang, Karlheinz, | Karlheinz Morlang | Actor | 1938 | 1 | |
| Morlan, Joseph | Joseph Morlan | Actor | 1964 | 1 | |
| Morlacchi, Lucilla | Lucilla Morlacchi | Actor | 1977 - 2003 | 10 | |
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