| Ashby-Worden, Stephanie | Stephanie Ashby-Worden | Costume Designer | 1970 | 1 | |
| Aubry, Sylvie | Sylvie Aubry | Costume Designer | 2012 - 2014 | 11 | |
| Almoslino, Edith | Edith Almoslino | Costume Designer | 1976 | 1 | |
| Ariana, Inês | Inês Ariana | Costume Designer | 2019 | 1 | |
| Abel, Marie | Marie Abel | Costume Designer | 2013 - 2014 | 25 | |
| Andreassen Jensen, Ellen | Ellen Andreassen Jensen | Costume Designer | 1975 | 1 | |
| Arnoni, Jorge | Jorge Arnoni | Costume Designer | 1972 | 1 | |
| Alexandre, Baptiste | Baptiste Alexandre | Costume Designer | 2022 | 1 | |
| Agha, Zahrah | Zahrah Agha | Costume Designer | 2024 | 1 | |
| Armada, Tomasz | Tomasz Armada | Costume Designer | 2024 | 1 | |
| Acosta, Cherie | Cherie Acosta | Costume Designer | 2021 | 1 | |
| Admov, Polina | Polina Admov | Costume Designer | 2024 | 1 | |
| Aharon, Judith | Judith Aharon | Costume Designer | 2024 | 1 | |
| Alzate, Carmen | Carmen Alzate | Costume Designer | 2025 | 1 | |
| Albrecht, Gerd | Gerd Albrecht | Conductor, Musical Director | 2007 | 2 | |
| Artz, Karl Maria | Karl Maria Artz | Conductor | 1936 | 1 | |
| Arnoldi, Guido | Guido Arnoldi | Conductor | 1936 | 1 | |
| Antal, Mátyás | Mátyás Antal | Conductor | 1971 | 1 | |
| Atamer, Nesrin | Nesrin Atamer | Conductor | 1975 | 1 | |
| Afferni, Ugo | Ugo Afferni | Conductor | 1912 | 1 | |
| Alexander, Peter | Peter Alexander | Conductor | 2022 | 1 | |
| Alekseenok, Vitali | Vitali Alekseenok (Віталь Алексяёнак) | Conductor | 2024 | 2 | |
| Andreaoli, Giovanni | Giovanni Andreaoli | Conductor | 2024 | 1 | |
| Aavas | Aavas - | Composer, Sound Designer | 2003 - 2010 | 18 | |
| Alldridge, Duncan | Duncan Alldridge | Composer, Sound Designer | 2002 | 2 | |
| Arthurs, Andy | Andy Arthurs | Composer, Sound Designer | 2007 | 2 | |
| Andersson, Dan | Dan Andersson | Composer, Sound Designer | 2008 | 2 | |
| Andersen, Kristian Eidnes | Kristian Eidnes Andersen | Composer, Sound Designer | 2022 | 2 | |
| Avramov, Assen | Assen Avramov | Composer, Musician | 1997 - 2024 | 4 | |
| Askø, Arvid | Arvid Askø | Composer, Musician | 2010 | 2 | |
| Asen, Norbert | Norbert Asen | Composer, Musician | 2008 | 2 | 2 |
| Anderson, Michael | Michael Anderson | Composer, Musical Director | 2003 | 2 | |
| Antrobus, David | David Antrobus | Composer, Director | 2012 | 2 | 1 |
| Axworthy, Christopher | Christopher Axworthy | Composer | 1979 - 1999 | 4 | |
| Aubrecht, Markus | Markus Aubrecht | Composer | 2002 | 1 | |
| Adam, Adolphe | Adolphe Adam | Composer | 1894 - 2011 | 3 | |
| Annecchino, Arturo | Arturo Annecchino | Composer | 1997 - 2021 | 13 | |
| Adachi, Motohiko | Motohiko Adachi | Composer | 1984 | 1 | |
| Alig, Helmut | Helmut Alig | Composer | 1953 | 1 | |
| Axen, Bent | Bent Axen | Composer | 1985 | 1 | |
| Azar, Farzad Varzande | Farzad Varzande Azar | Composer | 2006 | 1 | |
| Arends, A. | A. Arends | Composer | 1892 | 1 | |
|
|
