| Mahaffy, Jr., Robert, E. | Robert E. Mahaffy, Jr. | Designer | 1931 - 1936 | 2 | |
| Munzer, Bettina | Bettina Munzer | Costume Designer, Designer | 2000 | 2 | |
| Maude, Elizabeth | Elizabeth Maude | Actor | 1931 - 1935 | 2 | |
| Miesch, Philippe | Philippe Miesch | Designer | 1998 | 2 | |
| Mateos, Carmen | Carmen Mateos | Costume Designer | 1998 | 2 | |
| Mewes, Lilian | Lilian Mewes | Actor | 1932 - 1933 | 2 | |
| Maisie, Rossie | Rossie Maisie | Actor | 1897 | 2 | |
| Macdonald, Aristelle | Aristelle Macdonald | Actor | 1932 - 1936 | 2 | |
| Magnúsdóttir, Hulda Kristín | Hulda Kristín Magnúsdóttir | Actor, Costume Designer | 1998 | 2 | |
| Miller, Gordon | Gordon Miller | Actor | 1933 - 1934 | 2 | |
| Meyer-Hane, F. | F. Meyer-Hane | Actor | 1933 - 1944 | 2 | |
| Mitchell, Mildred | Mildred Mitchell | Actor | 1933 | 2 | |
| Müller, Olaf | Olaf Müller | Actor | 1984 - 1999 | 2 | |
| Molin, Conny | Conny Molin | Actor | 1934 | 2 | |
| Melbārde, Ņina | Ņina Melbārde | Actor | 1934 - 1936 | 2 | |
| Maklakova, N. | N. Maklakova | Lighting Designer | 1999 - 2000 | 2 | |
| Manson, Héléna | Héléna Manson | Actor | 1934 | 2 | |
| Montès, Robert | Robert Montès | Actor | 1934 | 2 | |
| Marshall, Margaret | Margaret Marshall | Actor, Producer | 1934 | 2 | |
| Meurer, Sandra | Sandra Meurer | Costume Designer, Designer | 1999 | 2 | |
| McCarthy, Sheila | Sheila McCarthy | Choreographer | 1935 - 1936 | 2 | |
| Matthews, Douglas | Douglas Matthews | Actor | 1935 - 1936 | 2 | 1 |
| Macleod, Barbara | Barbara Macleod | Actor | 1935 - 1936 | 2 | |
| Murray, Stephen | Stephen Murray | Actor | 1935 - 1937 | 2 | |
| Munson, Ona | Ona Munson | Actor | 1935 | 2 | |
| Mansfield, Claire | Claire Mansfield | Actor | 1936 - 1937 | 2 | |
| Morant, Philip | Philip Morant | Actor | 1936 | 2 | |
| McLean, Scott | Scott McLean | Director | 1936 | 2 | |
| Myers, Selwyn | Selwyn Myers | Actor | 1936 | 2 | |
| Maister, Nigel | Nigel Maister | Designer, Director | 1999 | 2 | |
| Maassen, Michael | Michael Maassen | Actor | 1999 - 2000 | 2 | |
| Martini, Luca | Luca Martini | Actor | 1999 | 2 | |
| Miranda, Pia | Pia Miranda | Actor | 1999 | 2 | 1 |
| Melletin, Birgitte | Birgitte Melletin | Costume Designer, Designer | 1999 | 2 | 1 |
| Messerer, Boris | Boris Messerer | Designer | 1978 - 1999 | 2 | |
| McCulloch, Kate | Kate McCulloch | Actor | 1999 | 2 | |
| MacLennan, Jennifer | Jennifer MacLennan | Actor | 1999 | 2 | |
| Matthies, Polly | Polly Matthies | Costume Designer | 1993 - 1999 | 2 | |
| Murzeau, Robert | Robert Murzeau | Actor | 1937 | 2 | |
| Monfort, Silvia | Silvia Monfort | Actor | 1976 - 1977 | 2 | |
| Meyer, Sandra | Sandra Meyer | Actor | 2000 - 2001 | 2 | |
| Motz, Paul | Paul Motz | Lighting Designer, Sound Designer | 1939 | 2 | |
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