Sean Connery (Roald Amundsen)
Claudia Cardinale (Nurse)
Hardy Kruger (Aviator)
Peter Finch (Gen. Umberto Nobile)
Massimo Girotti (Rescue Coordinator)
Donatas Banionis (Mariano)
Yuri Solomin (Troiani)
Otar Koberidze (Cecioni)
Boris Khmelnitsky (Actor/Actress)
Yuri Vizbor (Actor/Actress)
Andrei Vertogradov (Actor/Actress)
Eduard Martsevich (Actor/Actress)
Grigoriy Gay (Actor/Actress)
Nikita Mikhalkov (Icebreaker Pilot)
Luigi Vannucchi (Capt. Zappi)
Mario Adorf (Biagi, Radio Operator)