| 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 | 2 | |
| Ingiulla, Laura | Laura Ingiulla | Actor | 2015 | 1 | |
| Insenga, Gaia | Gaia Insenga | Actor | 2008 | 1 | |
| Iborra, Isabel | Isabel Iborra | Actor | 2024 | 1 | |
| Iannone, Valentina | Valentina Iannone | Actor | 2013 - 2014 | 3 | |
| Iervolino, Luca | Luca Iervolino | Actor | 2012 | 1 | |
| Ioli, Francesco | Francesco Ioli | Actor | 2017 | 1 | |
| Incrocci, Zoe | Zoe Incrocci | Actor | 1962 | 1 | |
| Iscra, Aurora | Aurora Iscra | Actor | 2020 | 1 | |
| Innocenti, Aldo | Aldo Innocenti | Actor | 1999 - 2019 | 2 | |
| Innocenti, Filippo | Filippo Innocenti | Actor | 1999 | 1 | |
| Ignesti, Franco | Franco Ignesti | Actor | 2015 - 2017 | 2 | |
| Ingegneri, Matteo | Matteo Ingegneri | Actor | 2024 | 1 | |
| Iubatti, Dario | Dario Iubatti | Actor | 2016 | 1 | |
| Iasi, Francesca | Francesca Iasi | Actor | 2024 | 1 | |
| Ismail, Hadi | Hadi Ismail | Actor | 2024 | 1 | |
| Iswardhani, Arsita | Arsita Iswardhani | Actor | 2019 | 3 | |
| Iturralde, Enrique | Enrique Iturralde | Actor | 2016 | 1 | |
| Ilahi, Shohifur Ridho | Shohifur Ridho Ilahi | Designer | 2019 | 1 | |
| Ibarra, Carlos | Carlos Ibarra | Actor | 2009 | 12 | |
| 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 |
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