| Ilboudo, Flora | Flora Ilboudo | Actor | 2002 - 2015 | 4 | |
| Indira, - | - Indira | Actor | 2008 - 2011 | 4 | |
| Ikäheimo, Rauni | Rauni Ikäheimo | Actor | 1967 - 1981 | 4 | |
| Isaïa, Lela | Lela Isaïa | Actor | 1933 - 1944 | 4 | |
| Izetbegović, Maja | Maja Izetbegović | Actor | 2009 | 4 | |
| Isailovits, Michael | Michael Isailovits | Actor | 1890 - 1920 | 4 | |
| Iranzo, Antonio | Antonio Iranzo | Actor | 1968 - 1982 | 4 | 1 |
| Irbil, Clement | Clement Irbil | Lighting Designer | 2014 - 2023 | 4 | |
| Indra, Tomáš | Tomáš Indra | Actor | 1997 | 4 | |
| Innocenti, Giulia | Giulia Innocenti | Actor | 2003 | 4 | |
| I. Elísdóttir, Filippía | Filippía I. Elísdóttir | Costume Designer | 2001 - 2011 | 4 | |
| Indrehus, Endre | Endre Indrehus | Actor | 2004 | 4 | |
| Ionescu, Şerban | Şerban Ionescu | Actor | 1977 | 4 | |
| Irimia, Cristian | Cristian Irimia | Actor | 1977 | 4 | |
| Impens, Els | Els Impens | Actor | 2006 | 4 | |
| Islam, Sumee | Sumee Islam | Costume Designer | 2006 | 4 | |
| Idman, Gogo | Gogo Idman | Actor | 2008 | 4 | 1 |
| Iden, Rosalind | Rosalind Iden | Actor | 1943 - 1950 | 4 | |
| Izon, John | John Izon | Director | 1943 - 1948 | 4 | |
| István, Bessenyei | Bessenyei István | Actor | 2008 - 2014 | 4 | |
| Ince-Kitson, Rachael | Rachael Ince-Kitson | Costume Designer | 2017 | 4 | |
| Ioannou, Styliana | Styliana Ioannou | Actor, Director | 2017 - 2018 | 4 | |
| Isaksen, Phillip | Phillip Isaksen | Lighting Designer | 2018 - 2022 | 4 | |
| Iliopoulou, Gina | Gina Iliopoulou (Τζίνα Ηλιοπούλου) | Costume Designer | 2022 - 2023 | 4 | |
| Inaoka, Shojun | Shojun Inaoka | Director | 1984 - 1997 | 5 | |
| Ito, Kisaku | Kisaku Ito | Designer | 1928 - 1950 | 5 | |
| Ingalls, James F. | James F. Ingalls | Lighting Designer | 1982 - 2013 | 5 | |
| Ifland, Benno | Benno Ifland | Actor | 2006 - 2014 | 5 | 1 |
| Ignatescu-Dobrescu, Miţi | Miţi Ignatescu-Dobrescu | Actor | 1921 - 1924 | 5 | |
| Ingersoll, Amy | Amy Ingersoll | Actor | 1974 - 1977 | 5 | |
| Istodor, Claudiu | Claudiu Istodor | Actor | 1994 | 5 | |
| Ishaque, Nasreen | Nasreen Ishaque | Actor | 2006 | 5 | |
| Ibrahim, Nesma | Nesma Ibrahim | Actor | 2006 | 5 | |
| Inderbitzin, Anne | Anne Inderbitzin | Actor | 2011 | 5 | |
| Ion, Livescu | Ion Livescu | Actor | 1920 - 1923 | 5 | |
| Ivančević, Ana | Ana Ivančević | Actor | 2011 | 5 | |
| Isailović, Miloš | Miloš Isailović | Dancer | 2016 - 2019 | 5 | |
| Indriðadóttir, Guðrún | Guðrún Indriðadóttir | Actor, Director | 1905 - 1927 | 6 | |
| Islam, Md. Shohidul | Md. Shohidul Islam | Actor, Musician | 2000 - 2002 | 6 | |
| Ingenhaag, Andreas | Andreas Ingenhaag | Director | 2010 | 6 | |
| Issa, Kholood | Kholood Issa | Actor | 2009 - 2010 | 6 | 1 |
| Ivor, Frances | Frances Ivor | Actor | 1892 - 1895 | 6 | 1 |
|
|
