| Akimova, Irina | Irina Akimova | Costume Designer | 1999 | 1 | |
| Akrivopoulou, Mary | Mary Akrivopoulou | Actor | 2008 | 1 | |
| Akselson, Katrin | Katrin Akselson | Actor | 1968 | 2 | |
| Akter, Zakia | Zakia Akter | Actor | 1998 | 1 | |
| Akuwudike, Jude | Jude Akuwudike | Actor | 2000 | 8 | |
| Alam, Zaglul | Zaglul Alam | Sound Designer | 1998 | 1 | |
| Albach-Retty, Rosa, | Rosa Albach-Retty | Actor | 1903 - 1952 | 20 | |
| Albers, Kenneth | Kenneth Albers | Actor | 1981 | 1 | |
| Albert, Karl | Karl Albert | Actor | 1970 - 1992 | 3 | |
| Albert, Roswitha | Roswitha Albert | Actor | 1953 - 1954 | 4 | |
| Alberti, Karin | Karin Alberti | Costume Designer | 1979 - 1983 | 2 | |
| Alberty, Kim | Kim Alberty | Actor | 1974 | 1 | |
| Albiker, Alexander | Alexander Albiker | Designer | 1990 | 1 | |
| Albrezzi, Steve, | Steve Albrezzi | Director | 1997 | 1 | |
| Alcock, David, | David Alcock | Actor | 1995 | 1 | |
| Aldrich, Ulla, | Ulla Aldrich | Actor | 2002 | 1 | |
| Alecsandrescu, Stanca, | Stanca Alecsandrescu | Actor, Director | 1923 - 1926 | 7 | |
| Alev, Voldemar | Voldemar Alev | Actor | 1943 - 1962 | 2 | |
| Alex, Maria, | Maria Alex | Actor | 1926 - 1952 | 3 | |
| Alexander, Blanche, | Blanche Alexander | Actor | 1902 | 1 | |
| Alexander, Geraldine | Geraldine Alexander | Actor | 1989 - 2006 | 4 | |
| Alexander, Jodi | Jodi Alexander | Actor | 2000 | 1 | |
| Alford, David | David Alford | Actor | 2000 | 1 | |
| Alig, Helmut | Helmut Alig | Composer | 1953 | 1 | |
| Alisch, Ernst | Ernst Alisch | Actor | 1981 - 2003 | 4 | |
| Alleine, Wesley, | Wesley Alleine | Actor | 1904 | 1 | |
| Allen, Richard | Richard Allen | Mask Maker | 1982 | 1 | |
| Allers, David | David Allers | Actor | 2007 | 1 | |
| Allgood, Sara, | Sara Allgood | Actor | 1923 | 2 | |
| Allidi, Roberto | Roberto Allidi | Actor | 1989 | 1 | |
| Allister, David | David Allister | Actor | 1987 | 1 | |
| Almeida, Cynthia | Cynthia Almeida | Actor | 2004 | 1 | |
| Alonge, Roberto | Roberto Alonge | Translator | 1993 - 2019 | 28 | |
| Alonso, Marcelo | Marcelo Alonso | Actor | 2006 - 2011 | 2 | |
| Alorda, Caterina | Caterina Alorda | Actor | 2004 | 1 | |
| Alpi, Roberto | Roberto Alpi | Actor | 1993 | 2 | |
| Alsaker, John-Kristian, | John-Kristian Alsaker | Costume Designer, Designer | 1978 - 2015 | 89 | |
| Altschul, Susanne | Susanne Altschul | Actor | 1987 | 1 | |
| Alva, Hans | Hans Alva | Actor, Director | 1908 - 1953 | 6 | |
| Alvarez, Charin | Charin Alvarez | Actor | 2005 | 1 | |
| Amano, Mayumi | Mayumi Amano | Actor | 1978 - 1989 | 3 | |
| Amano, Shun | Shun Amano | Actor | 1958 | 1 | |
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