| 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 | |
| Irving, Laurence | Laurence Irving | Actor, Costume Designer, Designer | 1894 - 1955 | 8 | 1 |
| Ikonomov, Matej | Matej Ikonomov | Actor, Director | 1898 - 1915 | 8 | |
| 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 | |
| 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 | |
| Indriðadóttir, Guðrún | Guðrún Indriðadóttir | Actor, Director | 1905 - 1927 | 6 | |
| Islam, Md. Shohidul | Md. Shohidul Islam | Actor, Musician | 2000 - 2002 | 6 | |
| Ingenhaag, Andreas | Andreas Ingenhaag | Director | 2010 | 6 | |
| Issa, Kholood | Kholood Issa | Actor | 2009 - 2010 | 6 | 1 |
| Ivor, Frances | Frances Ivor | Actor | 1892 - 1895 | 6 | 1 |
| 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 | |
| Inaoka, Shojun | Shojun Inaoka | Director | 1984 - 1997 | 5 | |
| Ito, Kisaku | Kisaku Ito | Designer | 1928 - 1950 | 5 | |
| Ingalls, James F. | James F. Ingalls | Lighting Designer | 1982 - 2013 | 5 | |
| Ifland, Benno | Benno Ifland | Actor | 2006 - 2014 | 5 | 1 |
| Ignatescu-Dobrescu, Miţi | Miţi Ignatescu-Dobrescu | Actor | 1921 - 1924 | 5 | |
| Ingersoll, Amy | Amy Ingersoll | Actor | 1974 - 1977 | 5 | |
| Istodor, Claudiu | Claudiu Istodor | Actor | 1994 | 5 | |
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