| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Guillaume Antonini | Actor, Musician | 2012 - 2018 | 32 | |||
| Diego Asensio | Actor, Musician | 2012 - 2018 | 64 | |||
| Dimple Ashar | Actor | 2014 | 1 | |||
| Ila Arun | Actor, Adaptation, Composer, Costume Designer, Director, Musical Director, Producer | 2010 - 2018 | 44 | |||
| Zeeshan Ayub | Actor | 2014 | 1 | |||
| Anne Alvaro | Actor | 1982 - 2020 | 9 | |||
| Ida Ardai | Actor | 1889 - 1890 | 2 | |||
| Dirk Audehm | Actor | 1994 - 2015 | 2 | |||
| Marco Albrecht | Actor | 1994 - 2015 | 6 | |||
| Carmen Anhorn | Actor | 1982 | 2 | |||
| Gerhard Auer | Actor | 1982 | 1 | |||
| Raul Aportela | Actor | 1982 | 1 | |||
| Walkyria Alves | Actor | 1982 | 6 | |||
| Marcos André | Actor | 1982 | 6 | |||
| Mandana Afshar | Actor | 1994 | 1 | |||
| Heinke Dorothea Andresen | Actor | 1982 | 1 | |||
| Mikaela Atanasiu | Adaptation, Director | 1982 | 2 | |||
| Tony Abbott | Designer | 1982 | 1 | |||
| Otávio Augusto | Actor | 1982 - 1983 | 8 | |||
| Leif Blix Austad | Actor | 1982 | 28 | |||
| Tonio Arango | Actor | 1994 | 1 | |||
| Angel Ahrjanov | Designer | 1982 | 1 | |||
| Karolos Armenis | Director, Translator | 2014 - 2015 | 4 | |||
| Hansjörg Assmann | Actor | 1982 | 1 | |||
| Graciela Alperyn | Actor | 1994 | 1 | |||
| Anna Strand Andersen | Actor | 2015 | 43 | |||
| J. Arraes | Actor | 1994 | 1 | |||
| Augusto Abreu | Actor | 1994 | 1 | |||
| Carlos Aguilera | Director | 1994 - 1997 | 2 | |||
| Darren Armstrong | Actor | 1994 | 1 | |||
| Stephen Appleby | Lighting Designer | 1994 | 1 | |||
| Ilka Angyal | Actor | 1889 - 1890 | 3 | |||
| Hannes Arenz | Lighting Designer | 1994 | 1 | |||
| Jim Abele | Actor | 1994 | 1 | |||
| John Aylward | Actor | 1980 | 1 | |||
| Miwako Arita | Actor | 1980 | 1 | |||
| Richard E. Arnold | Actor | 1980 | 1 | |||
| Vassilena Atanassova | Actor | 1994 - 1996 | 2 | |||
| Platon Andritsakis | Composer | 1994 - 1998 | 2 | |||
| Nikos Anagnostopoulos | Costume Designer, Designer | 2014 | 2 | |||
| Samuel Abrantes | Costume Designer | 1994 | 1 | |||
| Göran Arfs | Designer | 1980 | 1 | |||