| Iggius, Bianca | Bianca Iggius | Actor | 1894 - 1896 | 6 | |
| Iakovidis, Michaïl | Michaïl Iakovidis | Actor | 1908 - 1935 | 6 | |
| Ivarson, Victor | Victor Ivarson | Actor, Director | 1923 - 1928 | 6 | 1 |
| Ilmari, Vilho | Vilho Ilmari | Actor, Director | 1928 - 1954 | 6 | |
| Illian, Dan | Dan Illian | Actor | 1993 | 6 | |
| Ivert, Lotta | Lotta Ivert | Actor | 1997 | 6 | |
| Iordănescu, Ştefan | Ştefan Iordănescu | Actor, Director | 1970 - 1998 | 6 | |
| Ivančík, Erik | Erik Ivančík | Costume Designer, Designer | 2006 - 2007 | 6 | |
| Ichon, Eduard | Eduard Ichon | Adaptation, Director | 1912 - 1933 | 6 | |
| Itkin, David, B. | David B. Itkin | Director | 1932 - 1951 | 6 | |
| Ireys, John | John Ireys | Actor, Dancer | 1940 | 6 | |
| Ionescu, Nicolae | Nicolae Ionescu | Actor | 2016 - 2018 | 6 | |
| Iványi, Irén M. | Irén M. Iványi | Actor | 1914 - 1941 | 7 | |
| Iselin, Anita | Anita Iselin | Actor | 1996 - 2007 | 7 | |
| Iniwa, Takashi | Takashi Iniwa | Actor, Adaptation, Director, Translator | 1912 - 1914 | 7 | |
| Ingerslev, Jess | Jess Ingerslev | Actor | 1989 | 7 | 1 |
| Ikeda, Masaru | Masaru Ikeda | Actor | 2007 - 2010 | 7 | |
| Ifrim, Gheorghe | Gheorghe Ifrim | Actor | 2015 - 2019 | 7 | |
| Irving, Laurence | Laurence Irving | Actor, Costume Designer, Designer | 1894 - 1955 | 8 | 1 |
| Iversen, Anna | Anna Iversen | Actor | 2004 - 2007 | 8 | |
| Ingberg, Edvin | Edvin Ingberg | Actor | 1916 - 1937 | 8 | |
| Inao, Yoshifumi | Yoshifumi Inao | Dancer | 2014 - 2019 | 8 | |
| Iacov, Adrian | Adrian Iacov | Actor, Assistant Director | 2010 | 8 | |
| Iatridou, Stasa | Stasa Iatridou | Actor | 1939 - 1951 | 8 | |
| Iliff, Noel | Noel Iliff | Actor, Designer, Director, Producer | 1931 - 1938 | 8 | |
| Iannetta, Gaetano | Gaetano Iannetta | Actor, Musical Director | 2017 | 8 | |
| Immisch, Marie | Marie Immisch | Actor | 1887 - 1909 | 9 | |
| Illiger, Hans | Hans Illiger | Actor | 1899 - 1933 | 9 | |
| Ingle, Graham | Graham Ingle | Actor | 1994 | 9 | |
| Indahl-Voss, Signe | Signe Indahl-Voss | Actor | 1928 - 1931 | 9 | |
| Ioannidou, Loula | Loula Ioannidou | Actor | 1961 - 1997 | 9 | |
| Imre, Éva | Éva Imre | Actor | 2017 - 2019 | 9 | |
| Ibsen, Lillebil | Lillebil Ibsen | Actor | 1923 - 1956 | 10 | 1 |
| Irrall, Elfriede | Elfriede Irrall | Actor | 1969 - 2009 | 10 | |
| Ito, Kazuko | Kazuko Ito | Actor | 2000 - 2012 | 10 | |
| Irwin, Julius | Julius Irwin | Actor | 1893 - 1901 | 10 | |
| Isam, Tamer | Tamer Isam | Musician | 2013 | 10 | |
| Iacuzio, Luigi | Luigi Iacuzio | Actor | 1999 - 2001 | 10 | |
| Iversen, Einar | Einar Iversen | Musical Director | 1974 | 10 | |
| Irgens-Hansen, Mari | Mari Irgens-Hansen | Actor | 1891 - 1921 | 11 | 1 |
| Ikonomov, Matej | Matej Ikonomov | Actor, Director | 1898 - 1915 | 11 | |
| Ivarson-Moe, Anna | Anna Ivarson-Moe | Actor, Director | 1919 - 1928 | 11 | 1 |
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