| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Garda Irmen | Actor | 1898 - 1900 | 3 | |||
| Matej Ikonomov | Actor, Director | 1898 - 1915 | 11 | |||
| Rudolf Inemann | Director | 1899 | 1 | |||
| Hans Illiger | Actor | 1899 - 1933 | 9 | |||
| Vilma Illing | Actor | 1900 | 4 | |||
| V. O. Inskaja | Actor | 1900 - 1903 | 2 | |||
| William Ivarson | Actor | 1900 - 1934 | 37 | 1 | ||
| - Ising | Actor | 1901 | 1 | |||
| - Ivánfi | Actor | 1901 | 1 | |||
| Vera Ignatieva | Actor | 1901 - 1909 | 3 | |||
| Ferdinand Indra | Actor | 1902 | 1 | |||
| Smaragda Isaïa | Actor | 1902 | 1 | |||
| Manja Ikonomova | Actor | 1902 - 1907 | 4 | |||
| Leopold Iwald | Actor | 1903 | 1 | |||
| Ingibjörg Indriðadóttir | Actor | 1903 | 1 | |||
| Korinna Ionidou | Actor | 1903 | 4 | |||
| Xenofon Isaïas | Actor | 1903 | 1 | |||
| Lára Indriðadóttir | Actor | 1903 - 1904 | 2 | |||
| Rudolf Innemann | Actor | 1904 - 1907 | 4 | |||
| Ellen Isenta | Actor | 1905 | 1 | |||
| Guðrún Indriðadóttir | Actor, Director | 1905 - 1927 | 6 | |||
| Rosalind Ivan | Actor | 1907 - 1911 | 4 | 1 | ||
| - Italiaander | Actor | 1908 | 1 | |||
| Michaïl Iakovidis | Actor | 1908 - 1935 | 6 | |||
| Gertrud Israel | Actor | 1909 | 1 | |||
| Sadanji Ichikawa | Actor | 1909 | 1 | 1 | ||
| Danshi Ichikawa | Actor | 1909 | 1 | |||
| Enjaku Ichikawa | Actor | 1909 | 1 | |||
| Samasu Ichikawa | Actor | 1909 | 1 | |||
| Shocho Ichikawa | Actor | 1909 | 1 | |||
| Varvara Iliinskaia | Actor | 1909 | 1 | |||
| Aspasia Iakovidou | Actor | 1909 | 1 | |||
| Irma - | Actor | 1909 | 1 | |||
| Gina Illing | Actor | 1910 | 1 | |||
| Alex Ingo-Brandt | Actor | 1910 - 1911 | 2 | |||
| Lilly Irgen | Actor | 1911 | 1 | |||
| Oskar Ingenohl | Actor | 1911 - 1919 | 15 | |||
| Pavel Ivanovski | Director | 1911 - 1926 | 2 | |||
| Teijiro Ichikawa | Actor | 1912 | 1 | |||
| Masaru Inoue | Actor | 1912 | 1 | |||
| Shioji Ichijo | Actor | 1912 | 1 | |||
| Takashi Iniwa | Actor, Adaptation, Director, Translator | 1912 - 1914 | 7 | |||