| Albery, Tim | Tim Albery | Director, Lighting Designer | 1974 – 1984 | 2 | |
| Arnswald, Günter | Günter Arnswald | Actor | 1966 | 4 | |
| Anderson, Al | Al Anderson | Lighting Designer | 1974 | 1 | |
| Atreidis, Petros | Petros Atreidis | Translator | 1928 | 1 | |
| Apenes, Sissi | Sissi Apenes | Actor | 1928 | 2 | |
| Akslen, John | John Akslen | Actor | 1928 | 1 | |
| Aarhus, Arthur | Arthur Aarhus | Actor | 1928 | 1 | |
| Aunan, Olaf | Olaf Aunan | Actor | 1928 | 1 | |
| Aas, Anna | Anna Aas | Actor | 1928 | 1 | |
| Atamaniuk, Walter W. | Walter W. Atamaniuk | Actor | 1974 – 1983 | 8 | |
| Atwell, Roger | Roger Atwell | Actor | 1974 | 1 | |
| Austin, Karen | Karen Austin | Actor | 1977 | 1 | |
| Allen, Rae | Rae Allen | Director | 1977 | 1 | |
| Airamo, Hemmo | Hemmo Airamo | Actor | 1928 | 1 | |
| Armstrong, William | William Armstrong | Actor | 1917 | 2 | |
| Agate, May | May Agate | Actor | 1928 | 1 | |
| Abbas, Hector | Hector Abbas | Actor | 1928 | 1 | |
| Aczél, Ilona Cs. | Ilona Cs. Aczél | Actor | 1928 – 1930 | 1 | |
| Addy, Wesley | Wesley Addy | Actor | 1938 | 3 | |
| Andersen, Esther | Esther Andersen | Actor | 1928 | 2 | |
| Atcherley, Lucie | Lucie Atcherley | Actor | 1928 | 1 | |
| Artigas, Santiago | Santiago Artigas | Actor | 1928 | 2 | |
| Andersen, Asbjørn | Asbjørn Andersen | Actor | 1928 – 2003 | 9 | |
| Anderson, Stanley | Stanley Anderson | Actor | 1972 – 1986 | 2 | |
| Askvig, Karen | Karen Askvig | Actor | 1978 – 1984 | 28 | |
| Abramian, Khoren | Khoren Abramian | Actor, Director | 1991 | 4 | |
| Ascher , Tamás | Tamás Ascher | Director | 2007 – 2011 | 7 | |
| Altmann, Olaf | Olaf Altmann | Costume Designer, Designer | 1990 – 2018 | 19 | |
| August, Pernilla | Pernilla August | Actor | 2002 – 2003 | 6 | |
| Andrée, Leif | Leif Andrée | Actor | 1995 – 2016 | 7 | |
| Ashman, Mark | Mark Ashman | Dancer | 1990 | 2 | |
| Arnljótsdóttir, Edda | Edda Arnljótsdóttir | Actor | 1991 – 2008 | 7 | |
| Arps, Wolfgang | Wolfgang Arps | Actor | 1991 – 1996 | 6 | |
| Andreadakis, Jon D. | Jon D. Andreadakis | Lighting Designer | 1998 | 2 | |
| Armani, Giorgio | Giorgio Armani | Costume Designer | 1998 – 2008 | 26 | |
| Anders, Jarosław | Jarosław Anders | Translator | 2005 – 2007 | 4 | |
| Agostino, Enzo | Enzo Agostino | Actor | 1975 | 1 | |
| Alm, Anders | Anders Alm | Composer | 1990 – 1992 | 20 | |
| Arstad, Sissel | Sissel Arstad | Actor | 1971 | 138 | |
| Almagor, Gila | Gila Almagor | Actor | 1996 | 3 | |
| Alkalai, Moscu | Moscu Alkalai | Actor | 1996 | 3 | |
| aus der Schmitten, Sibille | Sibille aus der Schmitten | Actor | 1977 | 1 | |
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