| Abele, Jim | Jim Abele | Actor | 1994 | 1 | |
| Aylward, John | John Aylward | Actor | 1980 | 1 | |
| Arita, Miwako | Miwako Arita | Actor | 1980 | 1 | |
| Arnold, Richard, E. | Richard E. Arnold | Actor | 1980 | 1 | |
| Atanassova, Vassilena | Vassilena Atanassova | Actor | 1994 - 1996 | 2 | |
| Andritsakis, Platon | Platon Andritsakis | Composer | 1994 - 1998 | 2 | |
| Anagnostopoulos, Nikos | Nikos Anagnostopoulos | Costume Designer, Designer | 2014 | 2 | |
| Abrantes, Samuel | Samuel Abrantes | Costume Designer | 1994 | 1 | |
| Arfs, Göran | Göran Arfs | Designer | 1980 | 1 | |
| Almeida, Wendy | Wendy Almeida | Actor | 1980 | 1 | |
| Angervo, Sointu | Sointu Angervo | Actor | 1980 | 1 | |
| Authenrieth, Michael | Michael Authenrieth | Actor | 1980 | 1 | |
| Anderson , Bob | Bob Anderson | Actor | 1980 | 2 | |
| Anders, Walter | Walter Anders | Adaptation | 1980 | 1 | |
| Aaltonen, Risto | Risto Aaltonen | Actor | 1968 - 1980 | 2 | |
| Adams, Clara | Clara Adams | Actor | 2000 | 1 | |
| Aderin, Susan | Susan Aderin | Actor | 2000 | 1 | |
| Agboke, Kolade | Kolade Agboke | Actor | 2000 | 1 | |
| Allgeier, Günther | Günther Allgeier | Designer | 1980 | 1 | |
| Agustoni, Corinna | Corinna Agustoni | Actor | 1994 - 1996 | 2 | |
| Anglisani, Roberto | Roberto Anglisani | Actor | 1994 - 1996 | 2 | |
| Artisevskis, Marichilene | Marichilene Artisevskis | Costume Designer | 2011 | 1 | |
| Armand , Eilif | Eilif Armand | Actor | 1949 - 1980 | 15 | |
| Alsaker, Timian | Timian Alsaker | Costume Designer, Designer | 1980 - 2006 | 4 | |
| Antal, Csaba | Csaba Antal | Designer | 1994 - 2002 | 23 | |
| Accornero, Roberto | Roberto Accornero | Actor | 1994 | 1 | |
| Ankerstjerne, Ulla | Ulla Ankerstjerne | Actor | 1997 | 1 | |
| Arvaniti, Betty | Betty Arvaniti | Actor | 1994 | 1 | |
| Arlotti, Alessandra | Alessandra Arlotti | Actor | 1997 - 1998 | 3 | |
| Anastasiou, Alekos | Alekos Anastasiou | Lighting Designer | 1994 - 2016 | 4 | |
| Adermanis, Imants | Imants Adermanis | Actor | 1994 | 1 | |
| Amundsen, Hilde, Brun | Hilde Brun Amundsen | Actor | 1997 | 1 | |
| Aguirre, Nayelli | Nayelli Aguirre | Actor | 1997 | 1 | |
| Alder, Isabell | Isabell Alder | Actor | 1994 | 1 | |
| Avarikiotis, Konstantinos | Konstantinos Avarikiotis | Actor | 1994 | 1 | |
| Aav, Tõnu | Tõnu Aav | Actor | 1962 - 2007 | 9 | |
| Arro, Jaak | Jaak Arro | Designer | 1997 | 1 | |
| Aebischer, Katrin | Katrin Aebischer | Actor, Dancer | 1997 - 2005 | 6 | |
| Atomi, Bon | Bon Atomi | Actor | 1994 | 1 | |
| Aigner, Richard | Richard Aigner | Actor | 1995 - 2002 | 2 | |
| Arnold, Eliot, C. | Eliot C. Arnold | Actor | 1997 | 1 | |
| Angelidakis, Michalis | Michalis Angelidakis | Actor | 1994 | 1 | |
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