| Ifland, Benno | Benno Ifland | Actor | 2006 - 2014 | 5 | 1 |
| Issa, Kholood | Kholood Issa | Actor | 2009 - 2010 | 6 | 1 |
| Irgens-Hansen, Mari | Mari Irgens-Hansen | Actor | 1891 - 1921 | 11 | 1 |
| Irish, Annie | Annie Irish | Actor | 1889 | 1 | 1 |
| Ivor, Frances | Frances Ivor | Actor | 1892 - 1895 | 6 | 1 |
| Irving, Laurence | Laurence Irving | Actor, Costume Designer, Designer | 1894 - 1955 | 8 | 1 |
| Iversen, Anna | Anna Iversen | Actor | 1896 | 3 | 1 |
| Ichikawa, Sadanji | Sadanji Ichikawa | Actor | 1909 | 1 | 1 |
| Isene, Ola | Ola S. Isene (Ola Isene) | Actor | 1942 - 1978 | 17 | 1 |
| Indergaard, Jan-Emil | Jan-Emil Indergaard | Sound Designer | 2006 - 2007 | 2 | 1 |
| Idriss, Marjam | Marjam Idriss | Actor | 2011 - 2012 | 4 | 1 |
| Ivarson-Moe, Anna | Anna Ivarson-Moe | Actor, Director | 1919 - 1928 | 11 | 1 |
| Ivarson, Victor | Victor Ivarson | Actor, Director | 1923 - 1928 | 6 | 1 |
| Ives, Anne | Anne Ives | Actor | 1970 | 1 | 1 |
| Irrgang, Vera | Vera Irrgang | Actor | 1972 - 2003 | 2 | 1 |
| Ivánfi, Jenő | Jenő Ivánfi | Director | 1914 | 1 | 1 |
| Ingerslev-Jensen, Poul | Poul Ingerslev-Jensen | Actor | 1926 | 1 | 1 |
| Iversen, Søren | Søren Iversen | Director | 1988 - 1993 | 2 | 1 |
| Ingerslev, Jess | Jess Ingerslev | Actor | 1989 | 7 | 1 |
| Iobst, Anne | Anne Iobst | Actor | 1992 | 1 | 1 |
| Iveson, Mike | Mike Iveson | Actor | 1992 | 1 | 1 |
| Iranzo, Antonio | Antonio Iranzo | Actor | 1968 - 1982 | 4 | 1 |
| Ista, Tea | Tea Ista | Actor | 1973 - 1980 | 2 | 1 |
| Irvine, Andrea | Andrea Irvine | Actor | 2003 - 2008 | 2 | 1 |
| Izsák, Lili | Lili Izsák | Designer | 2012 | 1 | 1 |
| Ivey, Derrick | Derrick Ivey | Actor, Designer | 2003 - 2006 | 2 | 1 |
| Ivanovici, Alex | Alex Ivanovici | Actor | 2003 | 1 | 1 |
| Ilin, Nataša | Nataša Ilin | Actor | 2005 | 1 | 1 |
| Ioan, Cristian | Cristian Ioan | Director | 2005 | 1 | 1 |
| Ibu, Masato | Masato Ibu | Actor | 2006 | 1 | 1 |
| Iparraguirre, Iván | Iván Iparraguirre | Actor, Adaptation, Director | 2006 | 3 | 1 |
| Idman, Gogo | Gogo Idman | Actor | 2008 | 4 | 1 |
| Ivo, Barišič | Barišič Ivo | Actor | 2010 - 2012 | 3 | 1 |
| Ibsen Bille, Irene | Irene Ibsen Bille | Adaptation | 1955 - 1964 | 2 | 1 |
| Isedal, Tor | Tor Isedal | Actor | 1961 | 1 | 1 |
| Ivernel, Daniel | Daniel Ivernel | Actor | 1958 | 1 | 1 |
| Ingelius, Karl | Karl Ingelius | Designer | 1941 | 1 | 1 |
| Irving, Jules | Jules Irving | Director | 1971 | 1 | 1 |
| Ivanov, Evgenij | Evgenij Ivanov | Actor | 2016 | 1 | 1 |
| Ilsaas, Tove | Tove Ilsaas | | | | 1 |
| Ikeya, Tomohide | Tomohide Ikeya | Photographer | 2024 | 1 | 1 |
| Irrmisch, Holger | Holger Irrmisch | Actor | 1996 - 2007 | 18 | 2 |
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