| ina, Ko | Ko ina (Ko ina) | | | | |
| Ibsen-Ausgabe, Übersetzung der großen deutschen | Übersetzung der großen deutschen Ibsen-Ausgabe (Übersetzung der großen deutschen Ibsen-Ausgabe) | | | | |
| Innset, Iver | Iver Innset | | | | |
| Ikse, Lina | Lina Ikse | | | | 4 |
| Ignatiadis, Thodoros | Thodoros Ignatiadis | | | | |
| Ilsaas, Tove | Tove Ilsaas | | | | 1 |
| Ice, Autumn | Autumn Ice | Actor | | 1 | |
| Ibsen, Henrik | Henrik Ibsen | Author, Director, Playwright, Producer | 1850 - 2023 | 25173 | 219 |
| Isachsen, Andreas | Andreas Isachsen (Andreas Isachsen) | Actor | 1853 - 1891 | 55 | 3 |
| Isachsen, Janny | Janny Isachsen (Janny Isachsen) | Actor | 1857 | 1 | 2 |
| Iversen, Justine | Justine Iversen (Justine Iversen) | Actor | 1861 | 1 | |
| Irschick, Magda | Magda Irschick (Magda Irschick) | Actor | 1876 - 1877 | 3 | |
| Iversen, Oscar | Oscar Iversen (Oscar Iversen) | Actor | 1876 - 1899 | 2 | |
| Ihle, Frk. | Frk. Ihle (Frk. Ihle) | Actor | 1878 | 1 | |
| Isoard, Frl. | Frl. Isoard | Actor | 1879 | 1 | |
| Ingberg, Fanny | Fanny Ingberg (Fanny Ingberg) | Actor | 1882 | 1 | |
| Inman, Belle | Belle Inman (Belle Inman) | Actor | 1883 | 1 | |
| Ingman, M. W. | M. W. Ingman (M. W. Ingman) | Actor | 1883 | 1 | |
| Immisch, Marie | Marie Immisch (Marie Immisch) | Actor | 1887 - 1909 | 9 | |
| Isert, Mr. | Mr. Isert (Mr. Isert) | Actor | 1888 | 2 | |
| Isleiber, Mr. | Mr. Isleiber (Mr. Isleiber) | Actor | 1888 | 2 | |
| Irish, Annie | Annie Irish (Annie Irish) | Actor | 1889 | 1 | 1 |
| Ising Jr., Arnold | Arnold Ising Jr. (Arnold Ising Jr.) | Actor, Translator | 1889 | 2 | |
| Ille, - | - Ille | Actor | 1889 | 1 | |
| Ivánfy, Jenő | Jenő Ivánfy | Actor | 1890 - 1891 | 3 | |
| Isailovits, Michael | Michael Isailovits | Actor | 1890 - 1920 | 4 | |
| Irgens-Hansen, Mari | Mari Irgens-Hansen (Mari Irgens-Hansen) | Actor | 1891 - 1921 | 11 | 1 |
| Ivor, Frances | Frances Ivor (Frances Ivor) | Actor | 1892 - 1895 | 6 | 1 |
| Illing, Meta | Meta Illing (Meta Illing) | Actor | 1893 - 1899 | 2 | |
| Irwin, Julius | Julius Irwin (Julius Irwin) | Actor | 1893 - 1901 | 10 | |
| Ibsen, Sigurd | Sigurd Ibsen (Sigurd Ibsen) | Translator | 1893 - 2011 | 39 | 2 |
| I, Schiff | Schiff I (Schiff I) | Actor | 1894 | 1 | |
| II, Schiff | Schiff II (Schiff II) | Actor | 1894 | 1 | |
| Iggius, Bianca | Bianca Iggius (Bianca Iggius) | Actor | 1894 - 1896 | 6 | |
| Ionescu, C. | C. Ionescu | Actor | 1894 - 1901 | 3 | |
| Irving, Laurence | Laurence Irving (Laurence Irving) | Actor, Costume Designer, Designer | 1894 - 1955 | 8 | 1 |
| Idali, Joseph | Joseph Idali (Joseph Idali) | Actor | 1895 - 1898 | 2 | |
| Iversen, Anna | Anna Iversen (Anna Iversen) | Actor | 1896 | 3 | 1 |
| Iversen, William | William Iversen (William Iversen) | Actor | 1896 | 3 | |
| Isaac, - | - Isaac (- Isaac) | Actor | 1896 | 1 | |
| Iglésias Pujadas, Ignasi | Ignasi Iglésias | Actor | 1896 | 1 | |
| Ibler, Janko | Janko Ibler | Translator | 1896 - 1897 | 2 | |
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