- Pentcheva Mariana, Soloist, Mezzo-soprano
- Pepoli Carlo, Librettist
- Perdiou Spyros, Actor, Singer
- Pergolesi Giovanni Battista, Composer
- Pergolesi Giovanni Battista, Composer
- Périllat Francis, Soloist, Baritone
- Perlea Ionel, Conductor
- Perra Margarita, Soloist, Soprano
- Perry Janet, Soloist, Soprano
- Persis Kostas, Soloist, Bass, Composer
- Perusso Mario, Conductor
- Peryazev Gleb, Soloist, Bass
- Peter Wedd, Soloist, Tenor
- Petersen An, Soloist, Soprano
- Petkov Dimiter, Soloist, Bass
- Petraki Eleni, Dancer
- Petrakis Thanos, Soloist, Tenor
- Petridis Nikos, Soloist, Baritone
- Petridis Petros (Ioannis), Composer, Conductor
- Petrogianni Vassiliki, GNO Chorus member, Mezzo-soprano
- Petropoulos Nikos, Director, Set Designer, Costume Designer
- Petrosellini Giuseppe, Librettist
- Petrou George, Conductor
- Petrova Anna, Dancer, Choreographer, Dance Instructor
- Petrova Olesya, Soloist, Mezzo-Soprano
- Petsatodi Katerina, Director
- Petzold Guido, Lighting designer
- Pevzner Julia, Director
- Pezanou Lili, Set Designer
- Pezopoulou Veta, Libretto translation in Greek
- Pfeffer Walter, Conductor
- Phoenix Manuel, Chorus Member, Tenor
- Piacentini Bruno, Soloist, Tenor
- Piave Francesco-Maria, Librettist
- Piavko Vladislav, Soloist, Tenor
- Picchi Mirto, Soloist, Tenor
- Piccioli Fabiana, Lighting Designer
- Pikias Manolis, GNO Chorus Member, Tenor
- Pilou Jeannette (Ioanna), Soloist, Soprano
- Pimlott Steven, Director
- Pintgen Hans Werner, Conductor
- Pirozzi Anna, Soloist, Soprano
- Platanias Dimitri, Soloist, Baritone
- Plataniotis Michalis, Soloist, Baritone
- Plati L., Soloist, Soprano
- Pobbe Marcella, Soloist, Soprano
- Poet Bruno, Light Designer
- Poettgen Ernst, Director, Publisher, Translator
- Polatov(Apostolatos) Michalis, Fashion Designer, Set Designer, Costume Designer
- Polemis Ioannis, Poet
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