| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Theodor Auzinger | Actor | 1904 - 1917 | 3 | |||
| Marian Alma | Actor | 1905 | 1 | |||
| Reinhold Aßmann | Actor | 1905 | 1 | |||
| Heinrich Albers | Actor | 1905 | 2 | |||
| Frances Adler | Actor | 1905 | 1 | |||
| Lottie Alter | Actor | 1905 | 1 | 1 | ||
| Rudolf Anthony | Actor | 1905 | 1 | |||
| Selma Andersson | Actor | 1905 - 1910 | 2 | |||
| Jozef Andrzejewski | Actor | 1905 - 1912 | 3 | |||
| Manas Anastassov | Actor | 1905 - 1915 | 3 | |||
| Gertrud Arnold | Actor | 1905 - 1923 | 8 | |||
| - Arvel | Actor | 1906 | 1 | |||
| Fritz Albert | Translator | 1906 | 1 | |||
| Henry Ainley | Actor | 1906 | 1 | 1 | ||
| Lorena Atwood | Actor | 1906 | 1 | |||
| - Amable | Designer | 1906 | 1 | |||
| Jane Atherton | Actor | 1906 | 1 | |||
| A. I. Arkad'ev | Actor | 1906 - 1907 | 2 | |||
| David T. Arrey | Actor | 1906 - 1907 | 3 | |||
| Alfred Andersson | Actor | 1906 - 1908 | 2 | |||
| C. Aureli | Actor | 1906 - 1909 | 3 | |||
| Ernst Arnold | Actor | 1906 - 1910 | 5 | |||
| Margarethe Albrecht | Actor | 1906 - 1913 | 38 | |||
| Hugo Andresen | Actor | 1906 - 1916 | 3 | |||
| Fritz Achterberg | Actor | 1906 - 1933 | 11 | |||
| Charles Archer | Translator | 1906 - 1948 | 17 | 1 | ||
| Beatrice Altenhof | Actor | 1907 | 1 | |||
| Gertrud Albrecht | Actor | 1907 | 1 | |||
| Elisabeth Aarians | Actor | 1907 | 1 | 1 | ||
| Marian Andruszewski | Actor | 1907 | 1 | |||
| Spottiswoode Aitken | Actor | 1907 | 1 | |||
| Sylvia Allen | Actor | 1907 | 1 | |||
| U. M. Altieri | Actor | 1907 | 1 | |||
| Nancy Avril | Actor | 1907 | 1 | |||
| Thomas Achelis | Actor | 1907 | 3 | 1 | ||
| Percival Aylmer | Actor | 1907 - 1908 | 2 | |||
| - Aubray | Actor | 1907 - 1911 | 4 | |||
| Emilie Allmendinger | Actor | 1907 - 1913 | 9 | |||
| Theodor Anzinger | Actor | 1907 - 1914 | 3 | |||
| Teodors Amtmanis | Actor, Director | 1907 - 1916 | 10 | |||
| Alfred Abel | Actor | 1907 - 1921 | 4 | |||
| Marta Andrejeviča | Actor | 1908 | 1 | |||