Tanja Dohse
Self - Narrator (voice)
Kristian Havidtfelt Nielsen
Self - Historian
Sören Gregersen
Self - Former Camp Century Worker
Chuck Rose
Self - Former US Air Force
Sergei Khrushchev
Self - Engineer
Aleqa Hammond
Self - Politician
Horst Machguth
Self - Glaciologist
Nikita Khrushchev
Self - Politician (archive footage)
Dwight D. Eisenhower
Self - Politician (archive footage)
Richard Nixon
Self - Politician (archive footage)
John F. Kennedy
Self - Politician (archive footage)
Yuri Gagarin
Self - Cosmonaut (archive footage)
