Hydrozagadka

Tomasz Lengren as Man at Party (uncredited) Zbigniew Sawan as Porter (uncredited) Kazimierz Stankiewicz as Maharaja's Wife (uncredited) Wiesław Gołas as Taxi Driver Zygmunt Apostoł as Walczak's Friend (uncredited) Tadeusz Pluciński as Jurek (uncredited) Michał Żołnierkiewicz as Scientific Worker (uncredited) Roman Kłosowski as Prince Maharaja Czesław Lasota as Walczak's Friend Wojciech Pokora as Walczak's Friend Wojciech Rajewski as Walczak's Friend Jarosław Świtoniak as Scientific Worker (uncredited) Marian Łącz as Party Guest (voice) (uncredited) Jan Suzin as Scientific Worker (voice) (uncredited) Zdzisław Maklakiewicz as Doctor Plama Wiesław Michnikowski as Professor Milczarek Józef Nowak as Jan Walczak / Ace Ewa Szykulska as Jola Bolesław Kamiński as Little Man Witold Skaruch as Walczak's Friend Jerzy Turek as Watchman Wiesława Mazurkiewicz as Flower Seller Jerzy Dobrowolski as Interpreter Jerzy Duszyński as Frątczak Franciszek Pieczka as Sailor Andrzej Kondratiuk as Ferry Driver (uncredited)

Waldemar Kazanecki Music Jerzy Rutowicz Production Manager Jarosław Świtoniak Production Design Andrzej Kondratiuk Director, Screenplay Zygmunt Samosiuk Director of Photography Jadwiga Zajiček Editor