- Rizou Penny, Soloist, Contralto
- Roar Leif, Soloist, Baritone
- Roark-Strummer Linda, Soloist, Soprano
- Rodiris Dimitrios, Director
- Rodis Elias
- Roditakis Pavlos, Actor
- Rodou Liza, Dancer
- Rois G., Soloist
- Rom Natalia, Soloist, Soprano
- Romani Felice, Librettist
- Romanko Olga, Soloist, Soprano
- Hladek Rosalia, Choreographer, Dancer
- Rosati Mariangela, Soloist, Soprano
- Ross Felice, Lighting Designer
- Rossel Roger, Coductor
- Rossini Gioachino, Composer
- Rotsiou Stella, Set Designer, Costume Designer
- Roufi Fofi, Dancer
- Rouggeri Carmen, Actress, Script Writer, Director
- Roupas George
- Roussis Yiannis, GNO Chorus Member, Tenor
- Roussos Tassos
- Roussou Z., Soloist, Soprano
- Rouvoli Sotiria, Actress
- Royer Alphonse
- Rozan Nikolaos, Actor
- Rozas Ioannis, Soloist, Baritone
- Rucker Mark, Soloist, Baritone
- Ruffini Giovanni, Librettist
- Russo Kleanthe, Conductor
- Rutkowski Arnold, Soloist, Tenor
- Rydl Kurt, Soloist, Bass
- Rysanek Leonie, Soloist, Soprano
- Sabine Hogrefe
- Sabljić Mladen, Director
- Sahpekidis Pavlos, Actor
- Saint-Saëns Camille, Composer
- Sakellaridis Theophrastos, Composer
- Sakellarios Alekos, Libretto translation in Greek
- Sakellariou N.
- Sakellaropoulou Klavdia, GNO Chorus Member, Soloist
- Sakellaropoulou Popi, Dancer
- Sakkas Spyros, Soloist, Baritone, Composer
- Salabasopoulos Stavros, Soloist, Tenor
- Salatas Petros, Soloist, Baritone
- Salazar Inés, Soloist, Soprano
- Saldari Luciano, Soloist, Tenor
- Saligaros Spyros, Soloist, Baritone
- Salta Antigoni, Soloist, Soprano
- Salvadori Antonio, Soloist, Βaritone
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