| Maciejewska , Magdalena | Magdalena Maciejewska | Actor, Designer | 1991 - 1999 | 2 | |
| Maciejewski, Sławomir | Sławomir Maciejewski | Actor | 2009 - 2012 | 4 | |
| Maciejewski, Zygmunt | Zygmunt Maciejewski | Actor | 1963 - 1969 | 3 | |
| Maciejowski, Jan | Jan Maciejowski | Director | 1994 | 1 | |
| Maciel, Carla | Carla Maciel | Actor, Costume Designer | 2011 | 2 | |
| MacIntosh, Joan | Joan MacIntosh | Actor | 1984 | 1 | |
| MacIntyre, Carter | Carter MacIntyre | Actor | 1999 | 1 | |
| Macintyre, Marguerite | Marguerite Macintyre | Dancer | 1984 | 1 | |
| MacIntyre, Stuart, | Stuart MacIntyre | Actor | 2001 | 5 | |
| MacIsaac, Martha | Martha MacIsaac | Actor | 2005 | 1 | |
| Maciuchová, Hana | Hana Maciuchová | Actor | 1988 - 2012 | 2 | |
| Mack, Billy | Billy Mack | Actor | 2009 - 2021 | 6 | |
| Mack, Duncan | Duncan Mack | Director | 2002 | 1 | |
| Mack, Joe | Joe Mack | Actor | 2004 | 1 | |
| Mack, Kathleen | Kathleen Mack | Actor | 1949 | 1 | |
| Mack, Muriel | Muriel Mack | Actor | 1911 | 1 | |
| Mack, Scarlett | Scarlett Mack | Actor | 2015 | 1 | |
| Mack, Tiffany | Tiffany Mack | Actor | 2014 | 1 | |
| Mack, Tove, | Tove Mack | Choreographer | 2009 | 1 | |
| Mack, William B., | William B. Mack (William B. Mack) | Actor | 1903 - 1907 | 8 | |
| Mackay-Smith, Gillian | Gillian Mackay-Smith | Actor | 2001 | 1 | |
| Mackay, Edward, | Edward Mackay | Actor | 1910 | 3 | |
| MacKay, Fulton | Fulton MacKay | Actor | 1959 - 1962 | 5 | |
| Mackay, Gerry | Gerry Mackay | Actor | 2015 | 1 | |
| Mackay, Helen | Helen Mackay | Actor | 2007 - 2009 | 8 | |
| MacKay, Kim | Kim MacKay | Actor | 2007 | 1 | |
| Mackay, Weyman | Weyman Mackay | Actor | 1944 | 2 | |
| Macke, Hans, | Hans Macke | Choreographer | 1938 | 1 | |
| Mackenbrock, Tim | Tim Mackenbrock | Actor | 2016 | 3 | |
| Mackenzie, A., M.S. | A. M.S. Mackenzie | Actor | 1931 | 1 | |
| Mackenzie, Ian | Ian Mackenzie | Actor | 2006 | 1 | |
| Mackenzie, Julia | Julia Mackenzie | Actor | 1979 | 1 | |
| Mackenzie, Michael | Michael Mackenzie | Actor | 1975 - 1981 | 2 | |
| Mackenzie, Peter | Peter Mackenzie | Actor | 1988 | 1 | |
| Mackert, Josef | Josef Mackert | Dramaturg | 2004 - 2007 | 3 | |
| Mackert, Pia Maria | Pia Maria Mackert | Costume Designer, Designer | 2011 - 2012 | 10 | |
| Mackey , Nancy | Nancy Mackey | Actor | 1990 | 5 | |
| Mackey, Karl | Karl Mackey | Director | 1973 | 1 | |
| Mackie, Christopher | Christopher Mackie | Actor | 1999 | 5 | |
| Mackie, Pippa | Pippa Mackie | Actor | 2011 | 1 | |
| Mackintosh, Duncan | Duncan Mackintosh | Actor | 2011 | 1 | |
| Mackley, Philip | Philip Mackley | Actor | 1976 | 1 | |
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