| Ikonomou, Evi | Evi Ikonomou | Choreographer | 2023 | 2 | |
| Israelson, Elena | Elena Israelson | Actor | 2023 | 1 | |
| Iliopoulou, Gina | Gina Iliopoulou (Τζίνα Ηλιοπούλου) | Costume Designer | 2022 - 2023 | 4 | |
| Ingi, Tanel | Tanel Ingi | Actor | 2018 | 1 | |
| Isaacson, Walter Stuart | Walter Stuart Isaacson | Dancer | 2020 | 1 | |
| Ionescu, Ioan Andrei | Ioan Andrei Ionescu | Actor | 2024 | 1 | |
| Imperioli, Michael | Michael Imperioli | Actor | 2024 | 1 | |
| Indraccolo, Lilian | Lilian Indraccolo | Costume Designer | 2024 | 1 | |
| Isbell, Sophie | Sophie Isbell | Actor | 2021 | 1 | |
| Indraganti, Kiranmayi | Kiranmayi Indraganti (కిరణ్మయి ఇంద్రగంటి) | Director, Playwright | 2020 | 2 | |
| Igwilo, Judith | Judith Igwilo | Actor | 2021 | 1 | |
| Ireland, Taylor | Taylor Ireland | Assistant Director | 2024 | 1 | |
| Idonea, Alessandro | Alessandro Idonea | Director | 2024 | 1 | |
| Ibsen, Lillebil | Lillebil Ibsen | Actor | 1923 - 1956 | 10 | 1 |
| Ilku, David | David Ilku | Actor | 2000 | 1 | 1 |
| Imhoof, Erika | Erika Imhoof | Actor | 2002 | 1 | 1 |
| Ipsen, Bodil | Bodil Ipsen | Actor, Director | 1924 - 2004 | 20 | 1 |
| Irvin, Polly | Polly Irvin | Director | 1992 | 3 | 1 |
| Ivan, Rosalind | Rosalind Ivan | Actor | 1907 - 1911 | 4 | 1 |
| Ivarson, William | William Ivarson | Actor | 1900 - 1934 | 37 | 1 |
| Izard, E. Ashley | E. Ashley Izard | Actor | 1999 | 1 | 1 |
| Iversen, Frank | Frank Iversen | Actor | 1968 - 1990 | 116 | 1 |
| Ingram, Anthony F. | Anthony F. Ingram | Actor | 2007 | 1 | 1 |
| 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 |
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