| Italiaander, - | - Italiaander | Actor | 1908 | 1 | |
| Ichikawa, Sadanji | Sadanji Ichikawa | Actor | 1909 | 1 | 1 |
| Ichikawa, Danshi | Danshi Ichikawa | Actor | 1909 | 1 | |
| Ichikawa, Enjaku | Enjaku Ichikawa | Actor | 1909 | 1 | |
| Ichikawa, Samasu | Samasu Ichikawa | Actor | 1909 | 1 | |
| Ichikawa, Shocho | Shocho Ichikawa | Actor | 1909 | 1 | |
| Iliinskaia, Varvara | Varvara Iliinskaia | Actor | 1909 | 1 | |
| Iakovidou, Aspasia | Aspasia Iakovidou | Actor | 1909 | 1 | |
| Interne Teater, Studentersamfundets | Studentersamfundets Interne Teater | Adaptation | 1994 | 1 | |
| Iversen, Mette | Mette Iversen | Actor | 1993 | 1 | |
| Indregard, Kjetil | Kjetil Indregard | Actor | 1993 | 1 | |
| Iversen, Lars-Petter | Lars-Petter Iversen | Actor | 1998 | 1 | |
| Ibsen, Nora | Nora Ibsen | Producer | 2006 | 1 | |
| Ingelsrud, Hans Kristian | Hans Kristian Ingelsrud | Actor | 2009 | 1 | |
| Ingeborgrud, Lina Hopaneng | Lina Hopaneng Ingeborgrud | Actor | 2009 | 1 | |
| Instefjord, Herman | Herman Instefjord | Actor | 2010 | 1 | |
| Ingebretsen, Nils | Nils Ingebretsen | Actor | 2011 | 1 | |
| Irgens, Nadine Lehmann | Nadine Lehmann Irgens | Actor | 2012 | 1 | |
| Ilie, Tinca | Tinca Ilie | Actor | 2012 | 1 | |
| Irgen, Lilly | Lilly Irgen | Actor | 1911 | 1 | |
| Ichikawa, Teijiro | Teijiro Ichikawa | Actor | 1912 | 1 | |
| Inoue, Masaru | Masaru Inoue | Actor | 1912 | 1 | |
| Ichijo, Shioji | Shioji Ichijo | Actor | 1912 | 1 | |
| Iwasaki, Kanae | Kanae Iwasaki | Actor | 1914 | 1 | |
| Irving, Elizabeth | Elizabeth Irving | Actor | 1922 | 1 | |
| Isaksen, Alfred | Alfred Isaksen | Actor | 1923 | 1 | |
| Isham, Virginia | Virginia Isham | Actor | 1926 | 1 | |
| Ivanova, Lilija | Lilija Ivanova | Actor | 1974 | 1 | |
| Ikonomov, Nikola | Nikola Ikonomov | Actor | 1928 | 1 | |
| Ioannidis, Simos | Simos Ioannidis | Actor | 1974 | 1 | |
| Izzo, Vito | Vito Izzo | Actor | 1973 | 1 | |
| Insull, Sigrid | Sigrid Insull | Costume Designer | 1977 | 1 | |
| Ilmari, Litja | Litja Ilmari | Actor | 1928 | 1 | |
| Intert, Arthur | Arthur Intert | Actor | 1973 | 1 | |
| Iffländer, Claus | Claus Iffländer | Actor | 1977 | 1 | |
| Ivanova, Zv. | Zv. Ivanova | Actor | 1928 | 1 | |
| Ives, Anne | Anne Ives | Actor | 1970 | 1 | 1 |
| Ilosvay, Katalin | Katalin Ilosvay | Actor | 1974 | 1 | |
| Illg, Roberta | Roberta Illg | Actor | 1970 | 1 | |
| Ikeda, Kazuomi | Kazuomi Ikeda | Actor | 1978 | 1 | |
| Ikrai, Ursula | Ursula Ikrai | Actor | 1975 | 1 | |
| Ingvarsson, Bjarni | Bjarni Ingvarsson | Actor | 1975 | 1 | |
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