| Name | Functions | Event Dates | Events  | Resources | ||
|---|---|---|---|---|---|---|
| Simone Inzko | Translator | 2002 | 2 | |||
| Lepomir Ivković | Actor | 2002 | 2 | |||
| Konstantin Ivanov | Actor | 2002 - 2004 | 2 | |||
| Genji Ito | Composer, Sound Designer | 1997 | 2 | |||
| Akira Ito | Director, Sound Designer | 1997 | 2 | |||
| Andrea Irvine | Actor | 2003 - 2008 | 2 | 1 | ||
| Tomáš Impseil | Actor | 2011 | 2 | |||
| Anna Ipat'eva | Costume Designer | 2003 - 2005 | 2 | |||
| Derrick Ivey | Actor, Designer | 2003 - 2006 | 2 | 1 | ||
| Andrea Irwin | Actor | 2004 | 2 | |||
| Garbiñe Insausti | Actor | 2004 | 2 | |||
| Nick Insley | Lighting Designer | 2004 - 2023 | 2 | |||
| Irini Inglesi | Actor | 2004 - 2005 | 2 | |||
| Livia Iorga | Actor | 2005 | 2 | |||
| Anna Iblová | Actor | 1941 - 1943 | 2 | |||
| Ion Igorov | Actor | 1963 | 2 | |||
| Eugenia-Gina Ionescu | Assistant Director | 1985 | 2 | |||
| Silvius Iorga | Actor | 2009 | 2 | |||
| Noni Ioannidou | Actor | 2007 - 2008 | 2 | |||
| Jean-Claude Idée | Director | 2006 | 2 | |||
| Sergejus Ivanovas | Actor | 2006 - 2007 | 2 | |||
| Grete Imle | Actor | 1917 - 1924 | 2 | |||
| Kei Ishibori | Actor | 2008 | 2 | |||
| Scott Iseri | Composer, Sound Designer | 2008 | 2 | |||
| Hiroshi Ide | Sound Designer | 2009 - 2012 | 2 | |||
| Carola Isler | Actor | 2010 | 2 | |||
| Christin Ihle | Dramaturg | 2017 - 2018 | 2 | |||
| Irene Ibsen Bille | Adaptation | 1955 - 1964 | 2 | 1 | ||
| Philip Ingram | Actor | 1961 | 2 | |||
| Iza Itkin | Director, Producer | 1961 | 2 | |||
| Gheorghe Ionescu-Gion | Actor | 1955 - 1973 | 2 | |||
| Marcel Iureş | Actor | 1987 - 1988 | 2 | |||
| Ştefan Ilie | Actor | 1969 - 1975 | 2 | |||
| Anne Iddon | Actor | 1958 - 1959 | 2 | |||
| Silvia Ionaşcu | Actor | 1939 - 1940 | 2 | |||
| Fred Idström | Actor | 1930 | 2 | |||
| Kazi Toufiqul Islam | Actor | 1999 | 2 | |||
| Eri Iwasaki | Actor | 1999 | 2 | |||
| Dudu Isabel | Actor, Musician | 2016 | 2 | |||
| Taylor Imel | Actor | 2017 | 2 | |||
| István István | Actor | 2008 | 2 | |||
| Ioan Ieremia | Director, Dramaturg | 1980 | 2 | |||