| Alvađ, Rudolf, Rudi | Rudolf Rudi Alvađ | Actor | 1979 | 1 | |
| Aleksandrov, S. | S. Aleksandrov | Designer | 1979 | 1 | |
| Andre, Bert | Bert Andre | Actor | 1979 | 1 | |
| Amendola, Tony | Tony Amendola | Actor | 1979 - 1980 | 2 | 1 |
| Alberti, Karin | Karin Alberti | Costume Designer | 1979 - 1983 | 2 | |
| Arnautović, Faruk | Faruk Arnautović | Actor, Assistant Director | 1979 - 1983 | 2 | |
| Axer, Erwin | Erwin Axer | Director | 1979 - 1990 | 3 | 1 |
| Assman, Jost | Jost Assman | Costume Designer, Designer | 1979 - 1997 | 7 | |
| Andreassen, Ellen | Ellen Andreassen | Actor, Costume Designer | 1979 - 2015 | 53 | 1 |
| Airo, Eino | Eino Airo | Actor | 1980 | 1 | |
| Aro, Minna | Minna Aro | Actor | 1980 | 1 | |
| Aldrete L., Guillermo | Guillermo Aldrete L. | Designer | 1980 | 1 | |
| Aldrete, Rosita | Rosita Aldrete | Actor | 1980 | 1 | |
| Aldrete Jr., Willy | Willy Aldrete Jr. | Actor | 1980 | 1 | |
| Aylward, John | John Aylward | Actor | 1980 | 1 | |
| Arita, Miwako | Miwako Arita | Actor | 1980 | 1 | |
| Arnold, Richard, E. | Richard E. Arnold | Actor | 1980 | 1 | |
| Arfs, Göran | Göran Arfs | Designer | 1980 | 1 | |
| Almeida, Wendy | Wendy Almeida | Actor | 1980 | 1 | |
| Angervo, Sointu | Sointu Angervo | Actor | 1980 | 1 | |
| Authenrieth, Michael | Michael Authenrieth | Actor | 1980 | 1 | |
| Anderson, Bob | Bob Anderson | Actor | 1980 | 2 | |
| Anders, Walter | Walter Anders | Adaptation | 1980 | 1 | |
| Allgeier, Günther | Günther Allgeier | Designer | 1980 | 1 | |
| Alexander, Gerry | Gerry Alexander | Actor | 1980 | 16 | |
| Araya, Andrés, Pérez | Andrés Pérez Araya | Adaptation, Choreographer | 1980 | 2 | |
| Alvarez, Rodrigo | Rodrigo Alvarez | Actor | 1980 | 1 | |
| Aguilar, Héctor | Héctor Aguilar | Actor | 1980 | 1 | |
| Argibay, Alberto | Alberto Argibay | Actor | 1980 | 1 | |
| Amodio, Amedeo | Amedeo Amodio | Actor | 1980 | 1 | |
| Amenabar, Juan | Juan Amenabar | Composer | 1980 - 1981 | 2 | |
| Armenis, Fotis | Fotis Armenis | Actor | 1980 - 1984 | 4 | |
| Alexandrescu, Timuş | Timuş Alexandrescu | Musical Director | 1980 - 1987 | 3 | |
| Assenova, Galina | Galina Assenova | Actor | 1980 - 1988 | 3 | |
| Angerstein, Gertrud | Gertrud Angerstein | Actor | 1980 - 1990 | 2 | |
| Alsaker, Timian | Timian Alsaker | Costume Designer, Designer | 1980 - 2006 | 4 | 1 |
| Angelov, Juri | Juri Angelov | Actor | 1980 - 2013 | 3 | |
| Avogadro, Mauro | Mauro Avogadro | Actor, Director | 1980 - 2020 | 26 | 2 |
| Albers, Kenneth | Kenneth Albers | Actor | 1981 | 1 | |
| Ashton, Ronald | Ronald Ashton | Choreographer | 1981 | 1 | |
| Aston, Mary-Anne | Mary-Anne Aston | Costume Designer | 1981 | 1 | |
| Atzorn, Robert | Robert Atzorn | Actor | 1981 | 1 | |
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