Mikołaj Wachowski

Diplodok (voice)

Borys Szyc

Hokus Pokus / Hokus Pokus' Father (voice)

Małgorzata Kożuchowska

Entomologia (voice)

Arkadiusz Jakubik

Professor Nerwosolek / Diplodok's Grandfather (voice)

Piotr Polak

Tadek

Helena Englert

Publisher

Mariusz Szczygieł

Donkey Kleofas (voice)

Grzegorz Pawlak

Diplodok's Father / Apologizing Audience (voice)

Monika Pikuła

Diplodok's Mother / Onion #1 (voice)

Karol Strasburger

Host (voice)