| Iić, Sima | Sima Ilić (Сима Илић) | Actor | 1923 | 1 | |
| Ilić, Draga | Draga Ilić (Драга Илић) | Actor | 1923 - 1934 | 2 | |
| Imeri, Dodona | Dodona Imeri | Actor | 2023 | 1 | |
| Ibberson, Juliet | Juliet Ibberson | Actor | 2023 | 1 | |
| Israelson, Elena | Elena Israelson | Actor | 2023 | 1 | |
| Ingi, Tanel | Tanel Ingi | Actor | 2018 | 1 | |
| Ionescu, Ioan Andrei | Ioan Andrei Ionescu | Actor | 2024 | 1 | |
| Imperioli, Michael | Michael Imperioli | Actor | 2024 | 1 | |
| Isbell, Sophie | Sophie Isbell | Actor | 2021 | 1 | |
| Igwilo, Judith | Judith Igwilo | Actor | 2021 | 1 | |
| 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 | |
| Ibarra, Carlos | Carlos Ibarra | Actor | 2009 | 12 | |
| Ims, Paal Herman | Paal Herman Ims | Actor | 2025 | 2 | |
| In-seong, Song | Song In-seong (송인성) | Actor | 2025 | 3 | |
| Inchauriga, Mariana | Mariana Inchauriga | Actor | 2025 | 1 | |
| Illanes, Mónica | Mónica Illanes | Actor | 2025 | 1 | |
| Imseih Petrelli , Gloria | Gloria Imseih Petrelli | Actor | 2025 - 2026 | 2 | |
| Ishihara, Nanako | Nanako Ishihara (石原菜々子) | Actor | 2025 | 1 | |
| Iparraguirre, Iván | Iván Iparraguirre | Actor, Adaptation, Director | 2006 | 3 | 1 |
| Iniwa, Takashi | Takashi Iniwa | Actor, Adaptation, Director, Translator | 1912 - 1914 | 7 | |
| Iacov, Adrian | Adrian Iacov | Actor, Assistant Director | 2010 | 8 | |
| Ingólfsson, Lárus | Lárus Ingólfsson | Actor, Costume Designer, Designer | 1942 - 1965 | 13 | |
| Irving, Laurence | Laurence Irving | Actor, Costume Designer, Designer | 1894 - 1955 | 8 | 1 |
| Ignat, Diana | Diana Ignat | Actor, Dancer | 2005 | 3 | |
| Iacob, Gabriela | Gabriela Iacob | Actor, Dancer | 2005 | 3 | |
| Ireys, John | John Ireys | Actor, Dancer | 1940 | 6 | |
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