| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Mr. Isleiber | Actor | 1888 | 2 | |||
| Mari Irgens-Hansen | Actor | 1891 - 1921 | 11 | 1 | ||
| Annie Irish | Actor | 1889 | 1 | 1 | ||
| Frances Ivor | Actor | 1892 - 1895 | 6 | 1 | ||
| Bianca Iggius | Actor | 1894 - 1896 | 6 | |||
| Anna Iversen | Actor | 1896 | 3 | 1 | ||
| William Iversen | Actor | 1896 | 3 | |||
| - Isaac | Actor | 1896 | 1 | |||
| Joseph Idali | Actor | 1895 - 1898 | 2 | |||
| Garda Irmen | Actor | 1898 - 1900 | 3 | |||
| Meta Illing | Actor | 1893 - 1899 | 2 | |||
| Vilma Illing | Actor | 1900 | 4 | |||
| Ferdinand Indra | Actor | 1902 | 1 | |||
| Hans Illiger | Actor | 1899 - 1933 | 9 | |||
| Alex Ingo-Brandt | Actor | 1910 - 1911 | 2 | |||
| Oskar Ingenohl | Actor | 1911 - 1919 | 15 | |||
| Grete Ilm | Actor | 1914 | 3 | |||
| L. Imme | Actor | 1918 | 1 | |||
| Walter Iltz | Actor | 1920 | 1 | |||
| Heinz Iteh m. fl. | Actor | 1921 | 1 | |||
| Peter Ihle | Actor | 1921 - 1927 | 2 | |||
| Gustl Islin | Actor | 1924 | 1 | |||
| Asta Ilse | Actor | 1931 | 1 | |||
| Edmund Iblacker | Actor | 1932 | 2 | |||
| Käthe Itter | Actor | 1932 | 1 | |||
| Astrid Illiger | Actor | 1933 - 1938 | 4 | |||
| Anton Imkamp | Actor | 1940 | 1 | |||
| Majo in der Au | Actor | 1946 | 2 | |||
| Heinz Isterheil | Actor | 1947 | 1 | |||
| V. O. Inskaja | Actor | 1900 - 1903 | 2 | |||
| Vera Ignatieva | Actor | 1901 - 1909 | 3 | |||
| - Ising | Actor | 1901 | 1 | |||
| - Ivánfi | Actor | 1901 | 1 | |||
| Smaragda Isaïa | Actor | 1902 | 1 | |||
| Manja Ikonomova | Actor | 1902 - 1907 | 4 | |||
| Lára Indriðadóttir | Actor | 1903 - 1904 | 2 | |||
| Ingibjörg Indriðadóttir | Actor | 1903 | 1 | |||
| Korinna Ionidou | Actor | 1903 | 4 | |||
| Xenofon Isaïas | Actor | 1903 | 1 | |||
| Rudolf Innemann | Actor | 1904 - 1907 | 4 | |||
| Pérez Indarte | Actor | 1906 - 1907 | 2 | |||
| Michaïl Iakovidis | Actor | 1908 - 1935 | 6 | |||