| Groves, Rebecca | Rebecca Groves | Designer | 1997 | 1 | |
| Gabrielli, Gabriella | Gabriella Gabrielli | Actor | 1969 | 2 | |
| Glenn, Ian | Ian Glenn | Lighting Designer | 1969 | 1 | |
| Gifford, Wendy | Wendy Gifford | Actor | 1969 | 1 | |
| Guillem, Karine | Karine Guillem | Mask Maker | 2005 | 5 | |
| Gwillim, Lynda | Lynda Gwillim | Actor | 1969 | 1 | |
| Górska, Irena | Irena Górska | Actor | 1969 | 2 | |
| Gogoleva, Elena | Elena Gogoleva | Actor | 1957 - 1972 | 3 | |
| Gonçalves, João | João Gonçalves | Actor | 1998 | 2 | |
| Gero, Edward | Edward Gero | Actor | 1998 | 2 | |
| Grady, Bob | Bob Grady | Actor | 1998 | 4 | |
| Goorjian, John-Paul | John-Paul Goorjian | Actor | 1998 | 1 | |
| Goldman, Steven | Steven Goldman | Actor | 1998 | 1 | |
| Graybash, Karin | Karin Graybash | Sound Designer | 2014 | 1 | |
| Geist, Sina | Sina Geist | Actor | 2014 | 1 | |
| Giannaros, Alekos | Alekos Giannaros | Lighting Designer | 2012 - 2015 | 3 | |
| Grawert, Bernd | Bernd Grawert | Actor | 1997 | 7 | |
| Ghesquière, Roeland | Roeland Ghesquière | Choreographer | 2003 - 2004 | 9 | |
| Gordes, Alashiya | Alashiya Gordes | Actor | 2014 | 1 | |
| Gyimesi, Kálmán | Kálmán Gyimesi | Actor | 1965 - 1969 | 2 | |
| Gilbert, Hans | Hans Gilbert | Actor | 1969 | 1 | |
| Gallwitz, Wilm | Wilm Gallwitz | Actor | 1969 | 1 | |
| Geiger, Hermann-Josef | Hermann-Josef Geiger | Actor | 1969 | 1 | |
| Griffin, Lisa | Lisa Griffin | Actor | 1969 | 1 | |
| Gardiner, Kevin | Kevin Gardiner | Actor | 1969 | 1 | |
| Gelmetti, Vittorio | Vittorio Gelmetti | Composer | 1969 | 2 | |
| Gillespie, Chris | Chris Gillespie | Actor | 1997 - 1998 | 4 | |
| Graf, Markus | Markus Graf | Actor | 1997 - 1998 | 3 | |
| Genebat, Cristina | Cristina Genebat | Actor, Adaptation, Translator | 2012 - 2020 | 8 | |
| Gambino, Mario | Mario Gambino | Actor | 2014 | 1 | |
| Grimble, William | William Grimble | Actor | 2014 | 1 | |
| Grodås, Karl, Gran | Karl Gran Grodås | Actor | 2014 | 1 | |
| Gilje, Helle L. | Helle L. Gilje | Actor | 2014 | 2 | |
| Ghetti, Ludovica, Apollonj | Ludovica Apollonj Ghetti | Actor | 2013 - 2014 | 9 | |
| Graziosi, Viola | Viola Graziosi | Actor | 2013 - 2014 | 9 | |
| Guida, Giovanna | Giovanna Guida | Actor | 2013 - 2014 | 9 | |
| Gallone, Giulia | Giulia Gallone | Actor | 2013 - 2014 | 9 | |
| Grotsch, Conny | Conny Grotsch | Actor | 2013 | 1 | |
| Grönberg, Nils | Nils Grönberg | Actor | 2013 | 1 | |
| Gáspár, László | László Gáspár | Actor | 1920 | 1 | |
| Garay, Béla | Béla Garay | Actor | 1921 - 1928 | 2 | |
| Gonzalez, Serafim | Serafim Gonzalez | Actor | 1969 | 2 | |
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