| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Haleh Abghari | Musical Director | 2018 | 1 | |||
| Christina Arndt | Actor | 2018 | 1 | |||
| Henry Arnold | Actor | 2018 | 1 | |||
| David Axelrod | Director | 2018 | 1 | |||
| Kyleigh Archer | Costume Designer | 2018 | 1 | |||
| Elias Adam | Actor, Director | 2018 | 2 | |||
| Shane Allen | Sound Designer | 2018 | 1 | |||
| Corey Atkins | Director | 2018 | 1 | |||
| Sasha Maya Ada | Actor, Director | 2018 - 2025 | 2 | |||
| Ruth Arnold | Actor | 1984 | 1 | |||
| Sarah Andrews | Actor | 1984 | 1 | |||
| Bob Anderson | Lighting Designer | 1964 | 1 | |||
| Nadia Anim | Actor | 2018 | 1 | |||
| Eleni Alexopoulou | Actor | 2018 | 1 | |||
| Vaso Asikoglou | Actor | 2018 | 1 | |||
| Orfeas Apergis | Adaptation | 2018 | 1 | |||
| Laura Axelrod | Actor | 2018 | 1 | |||
| Aqsa Asif | Actor | 2018 | 1 | |||
| Iram Anjum | Costume Designer | 2018 | 1 | |||
| Keziah Austin | Actor | 2018 | 1 | |||
| Mischa Aravena | Actor | 2018 | 1 | |||
| Miia Ashley | Actor | 2018 | 1 | |||
| Hans Jörg Adolphi | Actor | 1924 | 1 | |||
| Gup Alcaro | Sound Designer | 2018 | 1 | |||
| Antonio Anagaran | Actor | 2018 | 1 | |||
| Reb Beau Allen | Actor | 2018 | 1 | |||
| Eline Arbo | Director | 2018 - 2020 | 5 | |||
| José Manuel Aguirre | Actor | 2014 - 2020 | 3 | |||
| Mihai Achiţei | Designer | 1964 | 2 | |||
| Const. Apăvăloaie | Costume Designer | 1964 | 2 | |||
| G. Achile | Actor | 1908 | 2 | |||
| Silviu Athanasescu | Actor | 1929 | 2 | |||
| Camron Alexander | Actor, Director | 2018 | 2 | |||
| Will Alder | Lighting Designer, Sound Designer | 2018 | 36 | |||
| Ben Ashton | Actor | 2018 | 18 | |||
| Rachita Arke | Actor | 2018 | 1 | |||
| Adam Alexander | Actor | 2018 | 1 | |||
| Esa Alanne | Choreographer | 2018 | 39 | |||
| Elias Arens | Actor | 2018 | 1 | |||
| Ryan Perez Adame | Actor | 2018 | 1 | |||
| Sivan Ambrose | Actor | 2018 | 1 | |||
| Michalis Afolayan | Actor | 2017 | 1 | |||