| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Kei Ishihara | Designer | 2009 | 1 | |||
| Scott Iseri | Composer, Sound Designer | 2008 | 2 | |||
| Kang Cheong Im | Actor | 2009 - 2012 | 3 | |||
| Allen Inman | Actor | 2008 | 1 | |||
| - Ille | Actor | 1889 | 1 | |||
| Yukiko Ikeda | Actor | 2016 | 1 | |||
| Miho Ishii | Designer | 2016 | 1 | |||
| Makiko Ikeda | Actor | 2010 | 1 | |||
| Irina Inaebnit | Actor | 2010 | 1 | |||
| Christoph Iacono | Composer | 2009 | 1 | |||
| Christina Istrate | Sound Designer | 2009 | 1 | |||
| Tomoyuki Ikeda | Designer | 2010 | 1 | |||
| Susan Ihlenfeld | Actor | 2010 | 1 | |||
| Diana Insel | Dramaturg | 2009 - 2013 | 3 | |||
| Kyoko Iguchi | Actor | 2009 | 1 | |||
| Hiroshi Ide | Sound Designer | 2009 - 2012 | 2 | |||
| - Ish-S | Sound Designer | 2009 | 1 | |||
| Eddie Irle | Actor | 2016 | 3 | |||
| Ryo Ishihara | Actor | 1965 | 1 | |||
| Amir Ifrah | Actor | 2010 | 1 | |||
| Mariam Iqbal | Actor | 2010 | 1 | |||
| Carolyn Isaac | Actor | 2010 | 1 | |||
| Carola Isler | Actor | 2010 | 2 | |||
| Ilie Iordan | Actor | 2011 | 1 | |||
| Radu Iacoban | Actor | 2011 | 1 | |||
| Anne Inderbitzin | Actor | 2011 | 5 | |||
| Bernd Isele | Dramaturg | 2015 | 1 | |||
| Colm Ivers | Lighting Designer | 2012 | 1 | |||
| Lander Iglesias | Actor | 2012 | 1 | |||
| I. Ilie | Actor | 1972 | 1 | |||
| Sascha Maria Icks | Actor | 2012 | 1 | |||
| Ion Livescu | Actor | 1920 - 1923 | 5 | |||
| Dmitry Ivanov | Actor | 2013 | 1 | |||
| Antonius Idvorean | Actor | 2011 | 1 | |||
| Rob Inglis | Actor | 1964 | 1 | |||
| George Innes | Actor | 1964 - 1965 | 3 | |||
| Monika Imhof | Actor | 1964 | 1 | |||
| Hiroshi Iwaki | Lighting Designer | 1964 | 1 | |||
| Aro Ito | Translator | 1964 | 1 | |||
| Rolf Irmer | Lighting Designer | 2011 | 1 | |||
| Christin Ihle | Dramaturg | 2017 - 2018 | 2 | |||
| Johan Inger | Choreographer | 2017 - 2022 | 2 | |||