| Miesner, Katie | Katie Miesner | Actor | 2019 | 1 | |
| Moradifar, Mohammad | Mohammad Moradifar | Actor | 2019 | 1 | |
| Mirhashemi, Hossein | Hossein Mirhashemi | Actor | 2019 | 1 | |
| Meyers, Mary, Carson | Mary Carson Meyers | Actor | 2019 | 1 | |
| Mowad, Anthony | Anthony Mowad | Actor | 2019 | 1 | |
| Miele, Mike | Mike Miele | Actor | 2013 | 1 | |
| Mader, Martin | Martin Mader | Musician | 2017 – 2019 | 1 | |
| Mosbach, Matthias | Matthias Mosbach | Actor | 2017 – 2019 | 1 | |
| McMonagle, Graham | Graham McMonagle | Costume Designer, Designer | 2019 | 2 | |
| Maxwell, Brooke | Brooke Maxwell | Sound Designer | 2019 | 1 | |
| McVay, Nathan | Nathan McVay | Actor | 2009 | 1 | |
| Marotta, Angela | Angela Marotta | Actor | 2019 | 1 | |
| MacFadyen, Lorne | Lorne MacFadyen | Actor | 2019 | 2 | |
| McNamara, Adam | Adam McNamara | Actor | 2019 | 2 | |
| Mednik, Moni | Moni Mednik | Costume Designer | 2016 | 1 | |
| Morag, Uri | Uri Morag | Lighting Designer | 2016 | 1 | |
| Marie, Gabriel | Gabriel Marie | Conductor | 1896 | 1 | |
| Mazlumi, Mir-Nader | Mir-Nader Mazlumi | Actor | 2019 | 1 | |
| Maar, Victoria | Victoria Maar | Dancer | 2019 | 1 | |
| Muck, Carl | Karl Muck | Conductor | 1905 | 1 | |
| Maneja, Antoni Ribera | Antoni Ribera Maneja | Conductor | 1910 – 1911 | 1 | |
| Mylan, Richard | Richard Mylan | Actor | 2019 | 1 | |
| Manns, Ferdinand | Ferdinand Manns | Conductor | 1911 – 1912 | 1 | |
| Manolis, Neophytou | Neophytou Manolis | Musician | 2019 | 1 | |
| Malaka, Oscar | Oscar Malaka | Conductor | 1917 | 1 | |
| McLaren, C. | C. McLaren | Conductor | 1917 | 1 | |
| Marshall, Dean | Dean Marshall | Actor | 2019 | 1 | |
| Munsch, Izzy | Izzy Munsch | | | | |
| Menon, Vasudev | Vasudev Menon | Director | 2019 | 1 | |
| Mayer, Karl | Karl Mayer | Conductor | 1919 | 1 | |
| Merten, Bernh. | Bernh. Merten | Conductor | 1919 | 1 | |
| Meißner, Hoffkapellmester | Hoffkapellmester Meißner | Conductor | 1919 | 1 | |
| McCrae, Katherine | Katherine McCrae | Director | 2019 | 3 | |
| Marković, Goran | Goran Marković | Actor | 2013 – 2018 | 3 | |
| Manojlović, Milica | Milica Manojlović | Actor | 2015 | 1 | |
| Marić, Milan | Milan Marić | Actor | 2015 | 1 | |
| Mennerich, Adolf | Adolf Mennerich | Conductor | 1926 | 1 | |
| Mihanović, Zoran | Zoran Mihanović | Lighting Designer | 1990 – 2018 | 6 | |
| Mangano, Andrea | Andrea Mangano | Actor | 2001 | 1 | |
| Mangano, Riccardo | Riccardo Mangano | Actor | 2001 | 1 | |
| Mangano, Paola | Paola Mangano | Actor | 2001 | 1 | |
| Malnar, Elizabeta | Elizabeta Malnar | Actor | 2001 | 1 | |
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