Tanja Dohse

Self - Narrator (voice)

Kristian Havidtfelt Nielsen

Self - Historian

Sören Gregersen

Self - Former Camp Century Worker

Chuck Rose

Self - Former US Air Force

Сергей Хрущёв

Self - Engineer

Aleqa Hammond

Self - Politician

Horst Machguth

Self - Glaciologist

Никита Хрущёв

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)

Peter Bardehle