| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Else Israel | Actor | 1896 - 1898 | 3 | |||
| Russi Ivanov | Lighting Designer | 2001 | 1 | |||
| James F. Ingalls | Lighting Designer | 1982 - 2013 | 5 | |||
| Brenda May Ito | Choreographer | 2004 | 1 | |||
| Schiff I | Actor | 1894 | 1 | |||
| Schiff II | Actor | 1894 | 1 | |||
| Mariam Shaibu Itimu | Actor | 2006 | 22 | |||
| Neil Irish | Designer | 1999 | 30 | |||
| László Ildikó | Costume Designer | 2008 - 2010 | 4 | |||
| Sukanya Iyer | Actor | 2010 | 1 | |||
| Julius Irwin | Actor | 1893 - 1901 | 10 | |||
| Inge Iwanowitsch | Actor | 1972 | 1 | |||
| Jennie Israel | Actor | 2011 | 1 | |||
| Marie Immisch | Actor | 1887 - 1909 | 9 | |||
| Þorvaldur Ingólfsson | Actor | 1944 | 1 | |||
| Andreas Ingenhaag | Director | 2010 | 6 | |||
| Gregory Itzin | Actor | 1976 - 2011 | 3 | |||
| Morgan Isackes | Actor | 1988 | 1 | |||
| Justine Iversen | Actor | 1861 | 1 | |||
| Magda Irschick | Actor | 1876 - 1877 | 3 | |||
| Oscar Iversen | Actor | 1876 - 1899 | 2 | |||
| Frk. Ihle | Actor | 1878 | 1 | |||
| Fanny Ingberg | Actor | 1882 | 1 | |||
| M. W. Ingman | Actor | 1883 | 1 | |||
| Mr. Isert | Actor | 1888 | 2 | |||
| Mr. Isleiber | Actor | 1888 | 2 | |||
| Arnold Ising Jr. | Actor, Translator | 1889 | 2 | |||
| Bianca Iggius | Actor | 1894 - 1896 | 6 | |||
| William Iversen | Actor | 1896 | 3 | |||
| - Isaac | Actor | 1896 | 1 | |||
| Matej Ikonomov | Actor, Director | 1898 - 1915 | 11 | |||
| Joseph Idali | Actor | 1895 - 1898 | 2 | |||
| Garda Irmen | Actor | 1898 - 1900 | 3 | |||
| Meta Illing | Actor | 1893 - 1899 | 2 | |||
| Rudolf Inemann | Director | 1899 | 1 | |||
| Vilma Illing | Actor | 1900 | 4 | |||
| teatrets intendant | Director | 1920 | 1 | |||
| 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 | |||