- Giannaraki Chrystalia, GNO Chorus Member, Mezzo-Soprano
- Yannatou Savina, Singer
- Yannopoulos Dino (Konstantinos), Director
- Janulako Wassili, Soloist, Βaritone
- Yeargan Michael, Set designer
- Yiannaros Alekos, Lighting Designer
- Yannissis Yanni, Soloist, Baritone
- Yurkevych Andriy, Conductor
- Zabruno Primo, Soloist, Tenor
- Zaccaria Nicola, Soloist, Bass
- Zacharatou Anthi, Soloist, Soprano
- Zacharopoulou [n.f.], Soloist, Soprano
- Sacher Jurgen, Soloist, Tenor
- Zachopoulos Fanis, Musician, Singer
- Zafeiriadou Zinovia-Maria, Soloist, Soprano
- Zaharakis Kostas, Actor
- Zacharopoulou Vasia, Soloist, Soprano
- Zaimi Liza, Costume Designer
- Zajick Dolora, Mezzo-Soprano, Composer
- Zakharenko Lidia, Soloist, Soprano
- Zakkas Yorgos, Soloist, Baritone
- Zalewski Włodzimierz, Soloist, Bass
- Zamanis Konstantinos, Set and costume designer
- Zambelli Corrado, Soloist, Bass
- Zambon Amedeο, Soloist, Tenor
- Zanazzo Alfredo, Soloist, Bass
- Zanella Renato, Choreographer
- Zanellato Riccardo, Soloist, Bass
- Zangarini Carlo, Librettist
- Zarmas Pieris, Soloist, Baritone
- Zaun Rainer, Soloist, Bass
- Zavitsanou Elsie, Costume designer, Set designer, Painter, Engraver
- Zaxariadis Pol, Soloist, Countertenor
- Zeani(Zehan) Virginia, Soloist, Soprano
- Zeffiri Mario, Soloist, Tenor
- Zeka Danilo, Dancer
- Zeke Michalis
- Zelenskaya Elena, Soloist, Soprano
- Zelensky Igor, Dancer
- Zemlinsky Alexander von, Composer
- Zerbini Antonio, Soloist, Bass
- Zerbinos Christos, Accordeonist, GNO BT Member
- Zervanos Yorgos, Soloist, Tenor
- Zervanou Lydia, Soloist, Soprano
- Zervou Elpiniki, Soloist, Soprano
- Zeta Giouli, Soloist, Mezzo-Soprano
- Zhidkova Elena, Solist, Mezzo-soprano
- Ziakas Giorgos, Set Designer, Costume Designer
- Ziavras Yorgos, Conductor
- Ziaziaris Nikos, Soloist, Baritone
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