| Albrechtson, - | - Albrechtson | Composer | 1903 - 1909 | 3 | |
| Albreht, Fran | Fran Albreht | Translator | 1926 - 1932 | 2 | |
| Albret Kristensen, Torben | Torben Albret Kristensen | Actor, Designer | 2002 - 2004 | 3 | |
| Albrezzi, Steve | Steve Albrezzi | Director | 1997 | 1 | |
| Albright, Dale | Dale Albright | Actor, Director | 2012 - 2018 | 2 | |
| Albright, Emily | Emily Albright | Costume Designer | 2005 - 2006 | 3 | |
| Albright, H. Darkes | H. Darkes Albright | Actor, Director | 1932 - 1959 | 5 | 1 |
| Albright, Hardie | Hardie Albright | Actor | 1926 | 1 | |
| Albright, Margaret | Margaret Albright | Actor | 1966 | 1 | |
| Albrink, Peter | Peter Albrink | Actor | 2004 | 1 | |
| Albro, Karlene | Karlene Albro | Designer | 2012 | 1 | 1 |
| Albu, Eugen | Eugen Albu | Actor | 1898 | 20 | |
| Albu, István | István Albu | Assistant Director | 2008 | 1 | |
| Albulescu, Mircea | Mircea Albulescu | Actor | 1984 - 2009 | 4 | |
| Albuže, Anda | Anda Albuže | Actor | 1993 | 1 | |
| Alby, Irene | Irene Alby | Actor | 2002 | 10 | |
| Alcaide, Antonio | Antonio Alcaide | Actor | 1962 | 1 | |
| Alcaide, Luis | Luis Alcaide | Lighting Designer | 1990 - 2020 | 4 | |
| Alcala, - | - Alcala | Actor | 1954 | 1 | |
| Alcalá, Antonio | Antonio Alcalá | Actor | 1961 | 1 | |
| Alcalà, Carme | Carme Alcalà | Actor | 1900 | 1 | |
| Alcalá, Olivia Tejeda | Olivia Tejeda Alcalá | Actor | 2000 | 1 | |
| Alcalay, Moscu | Moscu Alcalay | Actor | 1968 | 1 | |
| Alcañiz, Muntsa | Muntsa Alcañiz | Actor | 1978 | 1 | |
| Alcàntara Gusart, Manuel | Manuel Alcàntara Gusart | Translator | 1927 | 1 | |
| Alcaraz, Eduardo | Eduardo Alcaraz | Actor | 1954 - 1956 | 2 | |
| Alcaro, Gup | Gup Alcaro | Sound Designer | 2018 | 1 | |
| Alchieri, Gerolamo | Gerolamo Alchieri | Actor | 1977 | 4 | |
| Alcobendas, José Luis | José Luis Alcobendas | Actor | 2015 | 1 | |
| Alcock, David | David Alcock | Actor | 1995 | 1 | |
| Alcock, David | David Alcock | Actor | 2001 | 1 | |
| Alcock, John | John Alcock | Actor | 1999 | 1 | |
| Alcón, Alfredo | Alfredo Alcón | Actor | 1989 | 1 | |
| Alda, Bert | Bert Alda | Actor | 1932 | 1 | |
| Alda, Irene | Irene Alda | Actor | 1915 | 1 | |
| Aldabo, Valérie | Valérie Aldabo | Actor | 2011 | 3 | |
| Aldacosta, Kate | Kate Aldacosta | Actor | 2017 | 1 | |
| Alden, Hortense | Hortense Alden | Actor | 1926 | 1 | |
| Alden, Mary | Mary Alden | Actor | 1915 - 1916 | 2 | |
| Alden, Nancy | Nancy Alden | Actor | 1925 | 2 | |
| Alder, Isabell | Isabell Alder | Actor | 1994 | 1 | |
| Alder, Jac | Jac Alder | Actor | 1970 | 1 | |
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