Episode 4

Aleksandr Buynov as Self/star guest/expert

Elizaveta Slyshkina as Self/Participant singer

Polina Smirnova as Self/Participant singer

Andrey Pozov as Self/Participant singer

Giovanni Costello as Self/Participant singer

Sergey Pavlovskiy as Self/Participant singer

Yana Gornaya as Self/Participant singer

Arpi Abkaryan as Self/Participant singer

Lusine Arutyunova as Self/Participant singer

Anna Usova as Self/Participant singer

Sergey Tkachenko as Self/Participant singer

Svetlana Semyonovykh as Self/Participant singer

Anastasiya Lashchevskaya as Self/Participant singer

Danil Koshelev as Self/Participant singer

Olga Karaskina as Self/Participant singer

Randi Ishoel as Self/Participant singer

Aleksey Gerashchenko as Self/Participant singer

Aleksandra Chernousova as Self/Participant singer

Elmira Cherkasova as Self/Participant singer