- Fulljames John, Director
- Gabierakis Marios, Video projections designers
- Gabouri Elena, Soloist, Mezzo-soprano
- Gaetani Raimonda, Costume Designer
- Gaga-Spyropoulou Eleni, Soloist, Soprano
- Gagliardo Massimiliano, Soloist, Baritone
- Gagnidze George, Soloist, Baritone
- Gaitanos Kostis, Pianist, Musicologist
- Gaitanou Leonora, Soloist, Mezzo-soprano
- Gaitanou Nelly
- Gaitanou Rodula, Director
- Galleri Carla, Costume Designer
- Gallet Louis, Librettist
- Galli Gianna, Soloist, Soprano
- Gallias Petros, Dancer
- Ganci Luciano, Soloist, Tenor
- Garaventa Ottavio, Soloist, Tenor
- Garazioti Rena, Soloist, Mezzo-soprano
- García Ignacio, Director
- Garcia Lucrecia, Soloist, Soprano
- Gardelli Lamberto, Conductor, Director
- Garofallou Eamon, Actor, Dancer
- Garoufalis Aris, Pianist
- Garyfalaki Rena, Soloist, Soprano
- Gaspari Emilia, Ballet Dancer
- Gatto Armando, Conductor
- Gautier Velissaris, Soloist, Singer
- Gavagias Christos, GNO Chorus Member, Tenor
- Gavakou-Psaropoulou Barbara, Soloist, Soprano
- Gavalas Giorgos, Set designer
- Gavriilidis Makis (Stamatis), Soloist, Tenor
- Gazale Alberto, Soloist, Baritone
- Gazheli Thomas, Soloist, Bass-baritone
- Geisler Walter, Soloist, Tenor
- Gelodari Olympia, Choreographer
- Genée Richard, Librettist
- Generalis Athanasios, Soloist, Bass, Actor
- Georgakatos Agathangelos, Chorus Master
- Georgala Marmo, Dancer
- George Souliotis, GNO Chorus Member, Bass
- Syvris George, GNO Chorus Member, Bass
- George Yakas, Soloist, Tenor
- Georgiadis Giannis, Musician
- Georgiadis Nicolaos, Painter, Set designer, Costume designer
- Georgiadou Myrto, Soloist, Mezzo-Soprano
- Georgiadou Fylli, GNO Chorus member, Soprano
- Georgiadou-Anastasiou Rena, Painter, Set Designer, Costume Designer
- Georgiou Titika, Soloist, Mezzo-Soprano
- Georgopoulos G., GNO Chorus Member, Tenor
- Gerakis Andreas, Costume Designer
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