| Name | Functions | Event Dates | Events  | Resources | ||
|---|---|---|---|---|---|---|
| Harry Ives | Actor | 1964 - 1969 | 3 | |||
| Robert Icke | Director, Playwright | 2018 - 2021 | 3 | |||
| Miklós Izsó | Actor | 1922 - 1927 | 3 | |||
| Margit Izsáki | Actor | 1922 - 1927 | 3 | |||
| Scilla Ilardo | Costume Designer | 2018 | 3 | |||
| Séverine Irondelle | Costume Designer | 2018 | 3 | |||
| Stephan Imboden | Actor | 2018 | 3 | |||
| Valentina Iannone | Actor | 2013 - 2014 | 3 | |||
| Arsita Iswardhani | Actor | 2019 | 3 | |||
| Shuji Ida | Actor | 1968 - 1994 | 4 | |||
| Jouni Innilä | Actor | 1998 - 2002 | 4 | |||
| Rosalind Ivan | Actor | 1907 - 1911 | 4 | 1 | ||
| Richard S. Iglewski | Actor | 1996 - 2008 | 4 | |||
| László Ildikó | Costume Designer | 2008 - 2010 | 4 | |||
| Vilma Illing | Actor | 1900 | 4 | |||
| Astrid Illiger | Actor | 1933 - 1938 | 4 | |||
| Manja Ikonomova | Actor | 1902 - 1907 | 4 | |||
| Korinna Ionidou | Actor | 1903 | 4 | |||
| Rudolf Innemann | Actor | 1904 - 1907 | 4 | |||
| Marjam Idriss | Actor | 2011 - 2012 | 4 | 1 | ||
| Flora Ilboudo | Actor | 2002 - 2015 | 4 | |||
| - Indira | Actor | 2008 - 2011 | 4 | |||
| Rauni Ikäheimo | Actor | 1967 - 1981 | 4 | |||
| Lela Isaïa | Actor | 1933 - 1944 | 4 | |||
| Maja Izetbegović | Actor | 2009 | 4 | |||
| Michael Isailovits | Actor | 1890 - 1920 | 4 | |||
| Antonio Iranzo | Actor | 1968 - 1982 | 4 | 1 | ||
| Clement Irbil | Lighting Designer | 2014 - 2023 | 4 | |||
| Tomáš Indra | Actor | 1997 | 4 | |||
| Giulia Innocenti | Actor | 2003 | 4 | |||
| Filippía I. Elísdóttir | Costume Designer | 2001 - 2011 | 4 | |||
| Endre Indrehus | Actor | 2004 | 4 | |||
| Şerban Ionescu | Actor | 1977 | 4 | |||
| Cristian Irimia | Actor | 1977 | 4 | |||
| Els Impens | Actor | 2006 | 4 | |||
| Sumee Islam | Costume Designer | 2006 | 4 | |||
| Gogo Idman | Actor | 2008 | 4 | 1 | ||
| Rosalind Iden | Actor | 1943 - 1950 | 4 | |||
| John Izon | Director | 1943 - 1948 | 4 | |||
| Bessenyei István | Actor | 2008 - 2014 | 4 | |||
| Rachael Ince-Kitson | Costume Designer | 2017 | 4 | |||
| Styliana Ioannou | Actor, Director | 2017 - 2018 | 4 | |||