script and direction:Halina Borowiak
stage design: Zofia Czechlewska-Ossowska
music: Teresa Ostaszewska
cast:
Janek, Dragonfly: Kamila Rybacka
Squirrel, Frog, Berry Boy, Blueberry Girl: Jadwiga Domka
Berry Boy, Blueberry Girl: Magdalena Pawlik
Berry Boy, Blueberry Girl, Blueberry Woman: Kaja Tondera
Squirrel, Berry Boy, Blueberry Girl: Elżbieta Winiarska
Berry Boy: Tomasz Kuliberda
Berry King: Bogusław Michałek
Narrator, Evil Spirit from Forest, Snail: Andrzej Piecuch
Spider, Berry Boy: Łukasz Styka