Young Hearts cast is including:
Charles Paraventi as Prof. Afrânio (1662 episodes), Bia Montez as Vilma Ribeiro da Silva (1662 episodes), Sérgio Hondjakoff as Arthur Malta (Cabeção) (1234 episodes), André De Biase as Vinícius Lemos (1211 episodes), Ícaro Silva as Rafael Monteiro (Rafa) (1151 episodes), Nuno Leal Maia as Prof. Paulo Pasqualete (1098 episodes), Helder Agostini as Fernando Malta (Fernandinho / FM) (788 episodes), André Marques as Alexandre Ferreira (Mocotó) (994 episodes), Alexandre Slaviero as Carlos Henrique Soares (Kiko) (958 episodes), Gisele Frade as Adriana Spinelli (Drica) (949 episodes), Roger Gobeth as Alfredo Fernandes (Touro) (650 episodes), Karla Nogueira as Aurélia (670 episodes)