Cast
Peter FinchUmberto Nobile
Sean ConneryRoald Amundsen
Claudia CardinaleValeria
Hardy KrügerEinar Lundborg
Eduard MartsevichFinn Malmgren
Grigoriy GayRudolf Samoylovich
Nikita MikhalkovBoris Chukhnovskiy
Luigi VannucchiCaptain Zappi
Mario AdorfGiuseppe Biagi
Donatas BanionisAdalberto Mariano
Massimo GirottiGiuseppe Romagna Manoja
Yuriy SolominFelice Trojani
Otar KoberidzeNatale Cecioni
Boris KhmelnitskyAlfredo Viglieri
Yuri VizborFrantisek Behounek
