| Guasti, Amerigo | Amerigo Guasti | Actor | 1891 - 1892 | 8 | |
| Guart, Mrs. | Mrs. Guart | Actor | 1914 | 1 | |
| Guarrera, Marco | Marco Guarrera | Designer | 2016 | 1 | |
| Guarnieri, Anna Maria | Anna Maria Guarnieri | Actor | 1995 - 1996 | 8 | 1 |
| Guarnieri, Alexandra | Alexandra Guarnieri | Producer | 2012 | 1 | |
| Guarnero, Enrique | Enrique Guarnero | Actor | 1976 | 1 | |
| Guarnera, Piero | Piero Guarnera | Actor | 2002 | 3 | |
| Guardi, Helena | Helena Guardi | Actor | 1976 | 1 | |
| Guardamagna, Dante | Dante Guardamagna | Adaptation, Translator | 1968 - 1974 | 6 | |
| Guangting, Zhao | Zhao Guangting | Musician | 2006 - 2009 | 5 | |
| Guangjian, Gao | Gao Guangjian | Designer | 2014 - 2015 | 4 | |
| Gualik, E. | E. Gualik | Actor | 1889 | 1 | |
| Gual, Joan Maria | Joan Maria Gual | Designer, Director | 1996 | 2 | |
| Gual, Adrià | Adrià Gual | Actor, Director | 1900 - 1927 | 7 | |
| Guajardo, Julián | Julián Guajardo | Director | 1980 | 1 | |
| Guaita, Annabel | Annabel Guaita | Musician | 2019 | 1 | |
| Guais, Yolène | Yolène Guais | Costume Designer | 2013 - 2014 | 5 | |
| Guaida, Teresa | Teresa Guaida | Actor | 1981 | 1 | |
| Guadagni, Nicky | Nicky Guadagni | Actor | 1976 | 1 | |
| Guadagni, Francesco | Francesco Guadagni | Adaptation | 1994 - 1996 | 2 | |
| Gu, Yi'an | Yi'an Gu | Director | 2007 | 1 | |
| Gu, Ping | Ping Gu | Actor | 1939 | 1 | |
| Gu, Ming | Ming Gu | Choreographer | 2019 | 2 | |
| Gu, Fang | Fang Gu | Choreographer | 2014 | 2 | |
| Gu, Changcheng | Changcheng Gu | Actor | 2015 - 2017 | 6 | |
| Gstrein, Diana | Diana Gstrein | Actor | 2013 | 6 | |
| Gstättner, Maria | Maria Gstättner | Musician | 2008 | 1 | |
| Gsovsky, Victor | Victor Gsovsky | Choreographer | 1952 | 1 | |
| Gsell, Richard | Richard Gsell | Actor | 1905 | 1 | |
| Gsell, Mr. | Mr. Gsell | Actor | 1906 | 2 | |
| Gschwind, Max | Max Gschwind | Designer | 1928 - 1933 | 2 | |
| Gschnitzer, Julia | Julia Gschnitzer | Actor | 1962 - 1964 | 3 | |
| Gschmeidler, Viktor | Viktor Gschmeidler | Actor | 1949 - 1962 | 3 | |
| Grzywiński, Józef | Józef Grzywiński | Actor | 1899 | 1 | |
| Grzybowski, Maciej | Maciej Grzybowski | Actor | 1978 | 1 | |
| Grzelak, Olga | Olga Grzelak | Director | 2022 | 1 | |
| Grzejdziak, M (?) | M (?) Grzejdziak | Actor | 1917 | 1 | |
| Grzegorzewski, Jerzy | Jerzy Grzegorzewski | Costume Designer, Designer | 1989 | 72 | |
| Grywinska, Irena | Irena Grywinska | Actor | 1957 | 1 | |
| Grytting, Iver | Iver Grytting | Actor | 2004 - 2005 | 4 | |
| Grytting, Amund | Amund Grytting | Actor | 2005 - 2012 | 8 | |
| Grythe, Hilde | Hilde Grythe | Actor | 1985 - 2000 | 6 | |
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