| Averkamp, Nicole | Nicole Averkamp | Actor | 1998 - 2013 | 2 | |
| Apaolaza, Joseba | Joseba Apaolaza | Actor | 2012 | 2 | |
| Ariño, Jon | Jon Ariño | Actor | 2012 | 2 | |
| Arnold, Tyler | Tyler Arnold | Actor, Lighting Designer | 2012 | 2 | |
| Audick, Janina | Janina Audick | Designer | 2011 - 2013 | 2 | |
| Aarre-Ahtio, Ilmari | Ilmari Aarre-Ahtio | Actor | 1954 - 1964 | 2 | |
| Albold, Matthias | Matthias Albold | Actor | 2011 - 2015 | 2 | 1 |
| Allsopp, Dawn | Dawn Allsopp | Costume Designer, Designer | 2011 | 2 | 1 |
| Alexandra, Nataşa | Nataşa Alexandra | Actor | 1932 - 1956 | 2 | |
| Andriescu, Virgil | Virgil Andriescu | Actor | 1988 - 1991 | 2 | |
| Alvarenga, Cibele | Cibele Alvarenga | Actor | 2012 | 2 | |
| Ahlers, August | August Ahlers | Costume Designer, Designer | 1964 | 2 | |
| Arnaudeau, Pierre | Pierre Arnaudeau | Director | 1960 - 1963 | 2 | 1 |
| Arsenault, David, L. | David L. Arsenault | Designer, Set Designer | 2016 - 2019 | 2 | |
| Allison, Edmund | Edmund Allison | Designer, Director | 1962 | 2 | |
| Antrobus, David | David Antrobus | Composer, Director | 2012 | 2 | 1 |
| Arends, Mark | Mark Arends | Actor | 2012 - 2020 | 2 | 1 |
| Avdala, Zhak | Zhak Avdala | Costume Designer, Designer | 1960 | 2 | |
| Antov, Vassil | Vassil Antov | Actor | 1960 - 1977 | 2 | |
| Ardiff, Karen | Karen Ardiff | Actor | 2011 | 2 | |
| Abatzidis, Konstantinos | Konstantinos Abatzidis | Actor | 2012 | 2 | |
| Azar, Omar, Abi | Omar Abi Azar | Actor, Dramaturg | 2013 - 2022 | 2 | |
| Azar, Lamia, Abi | Lamia Abi Azar | Actor | 2013 - 2022 | 2 | |
| Arroyos, Martin | Martin Arroyos | Actor | 2011 | 2 | |
| Ann, Goh, Boon | Goh Boon Ann | Lighting Designer | 2013 | 2 | |
| Allgayer, Wilhelm | Wilhelm Allgayer | Director | 1958 - 1977 | 2 | |
| Alfandary, Theodor | Theodor Alfandary | Costume Designer, Designer | 1969 | 2 | |
| Akurāters, Valdis | Valdis Akurāters | Actor | 1955 - 1956 | 2 | |
| Acuna, Gregor | Gregor Acuna | Dramaturg | 2017 - 2022 | 2 | |
| Akizuki, Mitsuka | Mitsuka Akizuki | Actor | 1955 - 1956 | 2 | |
| Aðils, Jón | Jón Aðils | Actor | 1944 - 1954 | 2 | |
| Avram-Nicolau, Migry | Migry Avram-Nicolau | Actor | 1943 - 1944 | 2 | |
| Abramson, Carol | Carol Abramson | Actor | 1951 | 2 | |
| Atkinson, Joyce | Joyce Atkinson | Actor, Dancer | 1954 | 2 | |
| Arslan, Muzaffer | Muzaffer Arslan | Actor | 1956 | 2 | |
| Avcı, Atıf | Atıf Avcı | Actor | 1956 | 2 | |
| Arseven, Şakir | Şakir Arseven | Actor | 1956 | 2 | |
| Altın, Arslan | Arslan Altın | Actor, Dancer | 1956 | 2 | |
| Ayanoğlu, Sami | Sami Ayanoğlu | Actor | 1956 | 2 | |
| Aren, Rein | Rein Aren | Actor | 1962 - 1989 | 2 | |
| Attard, Francis | Francis Attard | Actor | 1962 | 2 | |
| Ankrum, Morris | Morris Ankrum | Actor, Director | 1932 - 1933 | 2 | |
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