Katarzyna Figura. Katarzyna Figura was 48 in Wonderful Summer as 'Helena Wolska, matka "Kitki" / Wróżka Aurelia'.
Marek Kasprzyk. Marek Kasprzyk was 48 in Wonderful Summer as 'Edgar Wolski, ojciec "Kitki"'.
Jerzy Trela. Jerzy Trela was 68 in Wonderful Summer as 'Dziadek "Kitki"'.
Bronisław Wrocławski. Bronisław Wrocławski was 58 in Wonderful Summer as 'Gadowski, ojciec Konrada'.
Cezary Łukaszewicz. Cezary Łukaszewicz was 28 in Wonderful Summer as '"Rudy"'.
Antoni Pawlicki. Antoni Pawlicki was 26 in Wonderful Summer as 'Konrad Gadowski'.
Wojciech Lepianka. Wojciech Lepianka was 46 in Wonderful Summer as 'Screenplay'Robert Sędzicki. Robert Sędzicki was >> in Wonderful Summer as 'Dialogue Editor'Mikołaj Stroiński. Mikołaj Stroiński was >> in Wonderful Summer as 'Original Music Composer'
Helena Sujecka
Marcin Łuczak
Ryszard Brylski
Łukasz Dzięcioł