Umberto Nobile (voice)
Roald Amundsen (voice)
Nobile's Grandchild / Vincenzo Pomella / Telegraphist (voice)
Maria Nobile (voice)
Carlotta Nobile (voice)
Betty Anderson (voice)
Norwegian Telegraphist / Housekeeper (voice)
Natale Cecioni (voice)
Felice Trojani (voice)
Attilio Caratti (voice)
Giuseppe Biagi / Lincoln Ellsworth / Benito Mussolini (voice)
Filippo Zappi / Emil Horgen (voice)
Oscar Wisting (voice)
Hjalmar Riiser-Larsen / Italo Balbo (voice)
Nightclub Singer (voice)
Penguin (voice)
Bandy Boy (voice)
News Anchor (voice)
French Pilot (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)