Eduard Martsevich - Finn Malmgren 역

Grigori Gaj - Rudolf Samoylovich 역

Nikita Mikhalkov - Boris Chukhnovskiy 역

Luigi Vannucchi - Captain Zappi 역

Mario Adorf - Giuseppe Biagi 역

Donatas Banionis - Adalberto Mariano 역

Massimo Girotti - Giuseppe Romagna Manoja 역

Yuriy Solomin - Felice Trojani 역

Otar Koberidze - Natale Cecioni 역

Boris Khmelnitsky - Alfredo Viglieri 역

Yuri Vizbor - Frantisek Behounek 역

Nikolay Ivanov - Kolka Shmidt 역

Vladimir Smirnov - Shelagin 역

Tengiz Archvadze - Renato Alessandrini (uncredited) 역

Rein Aren - Karl Eggi (uncredited) 역

Heinz Braun - Reporter (uncredited) 역

Anatoliy Bystrov - Rinborg's Neighbor in the Hospital Room (uncredited) 역

Robert Daglish - The Reporter (uncredited) 역

Feliksas Einas - Amundsen's Servant (uncredited) 역

Roland Engmann - Duty Officer (uncredited) 역

Boris Goldayev - Kolka Shmidt's Fellow Villager (uncredited) 역

Leonid Kanevsky - Italian Radio Operator (uncredited) 역

Viktor Kharitonov - Part-bit (uncredited) 역

Stanislav Khitrov - Radio Operator of Icebreaker 'Krasin' (uncredited) 역

Irakli Khizanishvili - Pomella (uncredited) 역

Eve Kivi - The Blonde Lady (uncredited) 역

Boris Klyuev - The Reporter (uncredited) 역

Stepan Krylov - The Boatswain (uncredited) 역

Vitaliy Matveyev - Seeing Off (uncredited) 역

Sergey Madyanov - Part-bit (uncredited) 역

Galina Mikeladze - Telegraph Operator (uncredited) 역

Dmytro Myrhorodskyi - Caratti (uncredited) 역

Oleg Mokshantsev - Pavel Ponomaryov (uncredited) 역

Yuriy Nazarov - Anatoliy Alekseev (uncredited) 역

Bruno O'Ya - Norwegian Radio Operator (uncredited) 역

Yevgeniy Orlov - Mishka (uncredited) 역

Gleb Plaksin - The Reporter (uncredited) 역

Ernst Romanov - The Polar Explorer (uncredited) 역

Paul Scofield - Main Judge (uncredited) 역

Aleksey Sezeman - The Reporter (uncredited) 역

Valeriy Sirovskiy - Lago (uncredited) 역

Nikolay Smorchkov - The Seaman (uncredited) 역

Rogvold Sukhoverko - Ringborg (uncredited) 역

Tamara Timofeeva - The Woman in the Crowd of People Seeing Off (uncredited) 역

Andrei Vertogradov - Radio Operator of 'Citta di Milano' (uncredited) 역

Luidmila Tsvetkova - Part-bit (uncredited) 역

Aleksandr Yanvaryov - Straube (uncredited) 역

Aleksandra Yozhkina - The Woman in the Crowd of People Seeing Off (uncredited) 역