| Mazzoleni, Ettore | Ettore Mazzoleni | Musical Director | 1930 | 1 | |
| Mazzoni, Franca | Franca Mazzoni | Actor | 1940 | 1 | |
| Mæhlum, Thea | Thea Mæhlum | Lighting Designer | 2016 | 1 | |
| Mæland, Harald | Harald Mæland | Musician | 1983 | 1 | |
| Mæle, Harald | Harald Mæle | Actor | 1986 | 1 | |
| Mærli, Ragnhild | Ragnhild Mærli (Ragnhild Mærli) | Adaptation, Dramaturg | 1994 - 2008 | 19 | 1 |
| Mærli, Terje | Terje Mærli (Terje Mærli) | Adaptation, Director, Producer | 1973 - 2007 | 221 | 1 |
| Mbatha-Raw, Gugu | Gugu Mbatha-Raw | Actor | 2003 | 2 | |
| Mbaya, Vincent | Vincent Mbaya | Actor | 2005 | 1 | |
| Mbaye, Ablaye | Ablaye Mbaye | Actor | 2021 | 5 | |
| Mbewe, Mbumba | Mbumba Mbewe (Mbumba Mbewe) | Actor | 2006 | 23 | 1 |
| Mbikulu, Destinée | Destinée Mbikulu | Actor | 2018 - 2021 | 20 | |
| Mbuende, Willy | Willy Mbuende | Actor | 1975 | 1 | |
| Mbugua, Ian | Ian Mbugua (Ian Mbugua) | Director | 2006 | 1 | |
| Mc Laughlin, Richard | Richard Mc Laughlin | Designer | 1987 | 1 | |
| McAlear, Nancy | Nancy McAlear | Actor | 1996 | 1 | |
| McAleer, Lucy | Lucy McAleer (Lucy McAleer) | Actor | 1953 | 1 | |
| McAlister, Evelyn | Evelyn McAlister | Actor | 1983 | 2 | |
| McAlister, Michael | Michael McAlister | Actor | 2009 | 2 | |
| McAllaster, James | James McAllaster | Actor | 1932 | 1 | |
| McAllister, Amy | Amy McAllister | Actor | 2008 | 1 | |
| McAllister, Jennifer | Jennifer McAllister | Actor | 2010 | 1 | |
| McAllister, Peter | Peter McAllister (Peter McAllister) | Director | 2004 | 5 | |
| McAllister, Phosa | Phosa McAllister | Actor | 1899 | 1 | |
| McAllister, Sandra | Sandra McAllister | Actor | 1985 | 1 | |
| McAlpin, Deryk | Deryk McAlpin | | | | 2 |
| McAnally, Ray | Ray McAnally (Ray McAnally) | Actor | 1982 | 1 | |
| McAnarney, Jenny | Jenny McAnarney | Actor | 2018 | 1 | |
| McAndrew, Kelly | Kelly McAndrew | Actor | 2001 | 2 | |
| McAndrew, Pat | Pat McAndrew | Actor | 1966 | 1 | |
| McArdell, Bonnie | Bonnie McArdell | Actor | 1958 | 1 | |
| McArdle, James | James McArdle | Actor | 2011 - 2019 | 3 | |
| McArdle, John | John McArdle | Actor | 2015 | 1 | |
| McArdle, Nicholas | Nicholas McArdle | Actor | 1974 | 1 | |
| McArthur, Molly | Molly McArthur (Molly McArthur) | Actor, Costume Designer, Designer | 1925 - 1946 | 6 | |
| McArthur, Murray | Murray McArthur (Murray McArthur) | Actor | 1996 - 1998 | 6 | |
| McArton, Megan | Megan McArton | Actor, Director | 2019 | 2 | |
| McAskill, Mark | Mark McAskill | Actor | 1985 | 1 | |
| McAuliffe, Jody | Jody McAuliffe | Director | 2016 | 1 | |
| McAuliffe, Nicola | Nicola McAuliffe | Actor | 1990 | 1 | |
| McBay, Leslie | Leslie McBay | Actor | 2010 | 1 | 1 |
| McBeath, Prue | Prue McBeath | Costume Designer | 1971 | 1 | |
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