| Aspen, Gunn Kristin | Gunn Kristin Aspen | Mask Maker | 1991 | 1 | |
| Abelsen, Maria | Maria Abelsen | Mask Maker | 2008 - 2013 | 3 | |
| Andresen, Elisabeth | Elisabeth Andresen | Mask Maker | 2010 - 2013 | 5 | |
| Aina, Sun | Sun Aina | Mask Maker | 2014 - 2024 | 10 | |
| Aehlig, Sylke | Sylke Aehlig | Mask Maker | 2002 | 1 | |
| Alström, Torbjörn | Torbjörn Alström | Mask Maker | 2002 - 2006 | 6 | |
| Artén, Mikaela | Mikaela Artén | Mask Maker | 2001 | 1 | |
| Andersson Forssell, Agneta | Agneta Andersson Forssell | Mask Maker | 2003 | 1 | |
| Ayres, Tricia | Tricia Ayres | Mask Maker | 2006 | 1 | |
| Arktoft, Anna, Jensen | Anna Jensen Arktoft | Mask Maker | 2014 - 2016 | 3 | |
| Amaral, João | João Amaral | Mask Maker | 1977 | 1 | |
| Abbott, Rebecca | Rebecca Abbott | Mask Maker | 2017 | 1 | |
| Argyropoulou, Ourania | Ourania Argyropoulou | Musical Director | 2014 - 2015 | 3 | |
| Arad, Ido | Ido Arad | Musical Director | 2014 | 1 | |
| Avril, Hanns | Hanns Avril | Musical Director | 1916 | 1 | |
| Alexandrescu, Timuş | Timuş Alexandrescu | Musical Director | 1980 - 1987 | 3 | |
| Abghari, Haleh | Haleh Abghari | Musical Director | 2018 | 1 | |
| Achtelik, Josef | Josef Achtelik | Musical Director | 1916 | 1 | |
| A, Ming | Ming A | Musical Director | 2019 | 1 | |
| Aleksandrov, Mihail | Mihail Aleksandrov | Musical Director | 2011 | 1 | |
| Anissimov, Alexander Mikhailovich | Alexander Mikhailovich Anissimov | Musical Director | 2020 | 1 | |
| Al Chemaly, Jihad | Jihad Al Chemaly | Musical Director | 2023 | 1 | |
| Anistratova, Svetlana | Svetlana Anistratova (Светлана Анистратова) | Musical Director | 2025 | 1 | |
| Andersen, Thomas | Thomas Andersen | Musician | 2013 | 1 | |
| Aalefjær, Knut | Knut Aalefjær | Musician | 1993 - 2013 | 3 | |
| Andersen, Tym | Tym Andersen | Musician | 1990 | 1 | |
| Abelsson, Stefan | Stefan Abelsson | Musician | 1993 | 1 | |
| Aas, Gunnar | Gunnar Aas | Musician | 1989 | 1 | |
| Alkula, Eva | Eva Alkula | Musician | 2001 | 1 | |
| Arens, Judith | Judith Arens | Musician | 2001 - 2002 | 2 | |
| Ali Shohel, Sohrab | Sohrab Ali Shohel | Musician | 2006 | 2 | |
| Azad Bikash, Tanvir | Tanvir Azad Bikash | Musician | 2006 | 2 | |
| Allen, Chris | Chris Allen | Musician | 2009 | 1 | |
| Alegiani, Costanza | Costanza Alegiani | Musician | 2010 | 1 | |
| Asar, Salim | Salim Asar | Musician | 2013 | 10 | |
| Athaniti, Thaleia | Thaleia Athaniti | Musician | 1998 | 1 | |
| Antal, Cătălina | Cătălina Antal | Musician | 2015 - 2016 | 6 | |
| Ahmed, Md. Monir | Md. Monir Ahmed | Musician | 2000 - 2001 | 4 | |
| Aune, Tore | Tore Aune | Musician | 1992 | 1 | |
| Andersen, Torgeir | Torgeir Andersen | Musician | 1992 | 1 | |
| Alberici, Carlos | Carlos Alberici | Musician | 1984 | 24 | |
| Anderssen, Isak | Isak Anderssen | Musician | 1992 | 1 | |
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