Mark Boslough

Mark Boslough

饰：Self - Scientist at Sandia National Laboratories

James P. Kennett

饰：Self - Geologist

Paul Mayewski

饰：Self - Glaciologist

Jørgen Peder Steffensen

饰：Self - Glaciologist

列维·施瑞博尔

Liev Schreiber

饰：Self - Narrator