| Gregg, Susan | Susan Gregg | Director | 1994 | 1 | |
| Greghi, Gabriel | Gabriel Greghi | Lighting Designer | 2022 | 2 | |
| Grégoire, Christine | Christine Grégoire | Stage Manager | 2022 | 1 | |
| Gregoire, Helene | Helene Gregoire | Translator | 1971 - 1976 | 4 | 1 |
| Gregoire, Marc | Marc Gregoire | Actor, Translator | 1990 | 2 | |
| Gregor, Claudia | Claudia Gregor | Actor | 2002 | 1 | |
| Gregor, Hans-Georg | Hans-Georg Gregor | Actor | 1977 - 1985 | 4 | |
| Gregor, Martin | Martin Gregor | Actor | 1972 | 1 | |
| Gregor, Simon | Simon Gregor | Actor | 1984 | 4 | |
| Gregor, Waltraud | Waltraud Gregor | Actor | 2018 | 2 | |
| Gregori, Ferdinand | Ferdinand Gregori | Actor, Director | 1891 - 1927 | 34 | 3 |
| Gregori, Graziano | Graziano Gregori | Costume Designer, Designer | 1998 | 2 | |
| Gregorić, Bojana | Bojana Gregorić | Actor | 1999 | 1 | |
| Gregorić, Ms. | Ms. Gregorić | Actor | 1894 | 1 | |
| Gregorin, Edvard | Edvard Gregorin | Actor | 1928 - 1951 | 4 | |
| Gregorio Martínez Sierra | Gregorio Martínez Sierra | Adaptation, Director | 1917 - 1930 | 22 | 1 |
| Gregório, Camila | Camila Gregório | Actor | 2006 | 1 | |
| Gregory, André | André Gregory | Actor, Adaptation, Producer | 2013 | 3 | 1 |
| Gregory, Carl | Carl Gregory | Actor | 2020 - 2022 | 2 | |
| Gregory, Celia | Celia Gregory | Actor | 1981 - 1988 | 2 | 1 |
| Gregory, Chris | Chris Gregory | Actor | 1977 | 1 | |
| Gregory, Christopher | Christopher Gregory | Actor | 1990 | 1 | |
| Gregory, David | David Gregory | Actor | 2008 | 1 | |
| Gregory, Kat | Kat Gregory | Actor | 2018 | 1 | |
| Gregory, Mark | Mark Gregory | Director | 2006 | 1 | |
| Gregory, Paul | Paul Gregory | Sound Designer | 2011 | 1 | |
| Gregory, Richard | Richard Gregory | Actor | 1963 | 1 | |
| Gregory, Sam | Sam Gregory | Actor | 1997 | 1 | |
| Gregory, Stefan | Stefan Gregory | Composer, Musician, Sound Designer | 2011 - 2022 | 26 | |
| Gregory, Virginia | Virginia Gregory | Actor | 1954 | 1 | |
| Gregory, Vivian, J. | Vivian J. Gregory | Actor | 2000 | 1 | |
| Gregrova, Isa | Isa Gregrova | Actor | 1906 | 1 | |
| Grégrová, Iza | Iza Grégrová | Actor | 1904 - 1921 | 6 | |
| Gregson, Charlotte | Charlotte Gregson | Actor | 2006 | 1 | |
| Gregson, Peter | Peter Gregson | Composer, Sound Designer | 2022 | 8 | |
| Gregson, Will | Will Gregson | Actor | 2004 | 7 | |
| Gregur, Damir | Damir Gregur | Actor | 2002 | 1 | |
| Greguš, Milan | Milan Greguš | Sound Designer | 2004 | 1 | |
| Grehan, Aingeal | Aingeal Grehan | Actor | 1982 | 1 | |
| Grehn, Sandra | Sandra Grehn | Actor, Musician | 1997 | 3 | |
| Greid, Hermann | Hermann Greid | Actor | 1918 - 1928 | 10 | |
| Greidanus, Aus | Aus Greidanus | Actor, Adaptation, Director, Translator | 1973 - 2022 | 12 | 1 |
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