| Isajevas, Tomas | Tomas Isajevas | Actor | 2011 | 1 | |
| Isajewicz-Telega, Ewa | Ewa Isajewicz-Telega | Actor | 1997 | 1 | |
| Isajlović, Mihailo | Mihailo Isajlović (Mihailo Isajlović) | Director | 1921 - 1923 | 2 | |
| Isaković, Zagorka | Zagorka Isaković | Actor | 1970 | 1 | |
| Isaksen, Alfred | Alfred Isaksen (Alfred Isaksen) | Actor | 1923 | 1 | |
| Isaksen, Marthe | Marthe Isaksen (Marthe Isaksen) | Actor | 2003 - 2004 | 2 | |
| Isaksen, Oddleiv | Oddleiv Isaksen (Oddleiv Isaksen) | Actor | 1997 - 2002 | 15 | |
| Isaksen, Phillip | Phillip Isaksen | Lighting Designer | 2018 - 2022 | 4 | |
| Isaksen, Stian | Stian Isaksen | Actor | 2018 - 2020 | 16 | |
| Isaksson, Claes | Claes Isaksson | Actor | 1975 | 1 | |
| Isam, Tamer | Tamer Isam | Musician | 2013 | 10 | |
| Isbell, Tom | Tom Isbell | Adaptation, Director | 2020 | 2 | |
| Isberg, Birgitta | Birgitta Isberg | Actor | 1967 | 1 | |
| Isbey, Blenda | Blenda Isbey | Actor | 1951 | 1 | |
| Isčenko, Andrej | Andrej Isčenko (Andrej Isčenko) | Actor | 2001 | 1 | |
| Isdal, Lars | Lars Isdal (Lars Isdal) | Actor | 2008 | 3 | |
| Isedal, Ola | Ola Isedal | Actor | 2004 | 1 | |
| Isedal, Tor | Tor Isedal | Actor | 1961 | 1 | 1 |
| Isefiær, Ellen | Ellen Isefiær (Ellen Isefiær) | Actor, Director | 1928 - 2006 | 26 | 3 |
| Isele, Bernd | Bernd Isele | Dramaturg | 2015 | 1 | |
| Isele, Monika | Monika Isele | Actor | 2001 | 1 | |
| Iseli, Laurence | Laurence Iseli | Director | 2018 | 2 | |
| Iselin, Anita | Anita Iselin (Anita Iselin) | Actor | 1996 - 2007 | 7 | |
| Isene, Ola | Ola S. Isene (Ola Isene) | Actor | 1942 - 1978 | 17 | 1 |
| Isensee, Helga | Helga Isensee | Actor | 1992 | 1 | |
| Isenta, Ellen | Ellen Isenta | Actor | 1905 | 1 | |
| Isenthal, Gerald | Gerald Isenthal | Lighting Designer | 1956 | 1 | |
| Iser, Bernard | Bernard Iser | Actor | 1955 | 1 | |
| Iseri, Scott | Scott Iseri | Composer, Sound Designer | 2008 | 2 | |
| Iserloh, Oliver | Oliver Iserloh | Composer | 2012 | 1 | |
| Isert, Mr. | Mr. Isert (Mr. Isert) | Actor | 1888 | 2 | |
| Isgandarli, Sanubar | Sanubar Isgandarli (Sanubar Isgandarli) | Actor | 2006 | 1 | |
| Ish-S, - | - Ish-S | Sound Designer | 2009 | 1 | |
| Ishak, Milad | Milad Ishak | Designer | 1978 | 1 | |
| Isham, Virginia | Virginia Isham | Actor | 1926 | 1 | |
| Ishaque, Nasreen | Nasreen Ishaque | Actor | 2006 | 5 | |
| Isherwood, Paul | Paul Isherwood (Paul Isherwood) | Actor | 2002 | 1 | |
| Ishibashi, Kenji | Kenji Ishibashi | Actor | 1980 | 1 | |
| Ishibashi, Tetsuro | Tetsuro Ishibashi | Actor | 2017 | 2 | |
| Ishibori, Kei | Kei Ishibori | Actor | 2008 | 1 | |
| Ishida, Taneo | Taneo Ishida (Taneo Ishida) | Choreographer | 1984 | 1 | |
| Ishida, Taro | Taro Ishida | Actor | 1978 | 1 | |
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