| Gaines, Joe | Joe Gaines | Actor | 2002 | 1 | |
| Gajdar, Józef | Józef Gajdar | Actor | 1957 | 1 | |
| Galambos, Péter | Péter Galambos | Adaptation, Designer, Director | 1994 - 2005 | 8 | |
| Galas, Werner | Werner Galas | Actor | 1983 - 1996 | 4 | |
| Galibin, Aleksandr | Aleksandr Galibin | Director | 2005 - 2008 | 5 | |
| Galilee, Clove | Clove Galilee | Choreographer | 2003 - 2011 | 34 | |
| Gallagher, Peter | Peter Gallagher | Actor | 1982 | 1 | |
| Gallert, Uta | Uta Gallert | Dramaturg | 1973 | 1 | |
| Galloni, Giordano | Giordano Galloni | Actor | 1951 | 1 | |
| Gallrein, Gerd | Gerd Gallrein | Actor | 1970 | 1 | |
| Galvan, Bianca | Bianca Galvan | Actor | 1960 - 1979 | 10 | |
| Galvan, Jessie | Jessie Galvan | Director | 2002 | 1 | |
| Galvin, Michael | Michael Galvin | Actor | 2003 | 1 | |
| Gambill, Mary | Mary Gambill | Actor | 2000 | 1 | |
| Gamboa, José | José Gamboa | Actor | 1947 | 1 | |
| Gampe, Michael | Michael Gampe | Director | 2002 - 2004 | 12 | |
| Ganguly, Amar | Amar Ganguly | Actor | 1952 - 1958 | 2 | |
| Gannon, Kenny | Kenny Gannon | Director, Producer | 2007 | 2 | |
| Gantry, Don | Don Gantry | Actor | 1975 | 1 | |
| Gara, James | James Gara | Actor | 1966 | 1 | |
| Garbers, Gerhard | Gerhard Garbers | Actor | 1974 | 1 | |
| Garbutt, James | James Garbutt | Actor, Designer | 1951 - 1961 | 4 | |
| García, Aurora | Aurora García | Actor | 1997 | 1 | |
| Gardini, Elisabetta | Elisabetta Gardini | Actor | 1999 - 2001 | 5 | |
| Gardner, Adam | Adam Gardner | Actor | 2002 | 1 | |
| Gardner, Miriam | Miriam Gardner | Actor | 1983 | 1 | |
| Gardner, Sally | Sally Gardner | Actor | 2005 - 2006 | 3 | |
| Gardo, Ryszard | Ryszard Gardo | Composer | 1958 - 1971 | 3 | |
| Garne, Rasma | Rasma Garne | Actor | 2005 - 2008 | 5 | |
| Garratt, Geoffrey | Geoffrey Garratt | Choreographer | 2005 | 1 | |
| Garrec, Jean | Jean Garrec | Composer | 1982 | 1 | |
| Garutti, Gérald | Gérald Garutti | Dramaturg | 2006 | 1 | |
| Gastine, Claudie | Claudie Gastine | Costume Designer, Designer | 1987 - 2011 | 3 | |
| Gate, James | James Gate | Actor | 1943 - 1944 | 3 | |
| Gaugler, Christoph | Christoph Gaugler | Actor | 1990 | 1 | |
| Gauja, Ināra | Ināra Gauja | Designer | 1994 - 1996 | 2 | |
| Gawrońska, Salomea | Salomea Gawrońska | Designer | 1954 | 1 | |
| Gay, Esther | Esther Gay | Actor | 1932 - 1935 | 3 | |
| Gazdag, Larissa | Larissa Gazdag | Actor | 2005 | 1 | |
| Gazsó, György | György Gazsó | Actor | 1995 | 1 | |
| Geary, Randy | Randy Geary | Actor | 2006 | 1 | |
| Gebler, Hellmut | Hellmut Gebler | Designer | 1970 - 1971 | 2 | |
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