Character Name : Himself - Photographer

Original Name : James Balog

Gender : Male

Character Name : Himself - Photo Assistant

Original Name : Svavar Jonatansson

Gender : Male

Character Name : Himself - EIS Engineer (as Adam Lewinter)

Original Name : Adam LeWinter

Gender : Male

Character Name : Himself - Photographer & Oscar Winning Filmmaker

Original Name : Louie Psihoyos

Gender : Male

Character Name : Herself - The Aspen Institute

Original Name : Kitty Boone

Gender : Male

Character Name : Herself - National Geographic Explorer (as Sylvia Earle Ph.D.)

Original Name : Sylvia Earle

Gender : Female

Character Name : Himself - National Geographic Editor

Original Name : Dennis Dimick

Gender : Male

Character Name : Himself - Climatologist, Ohio State University (as Jason Box Ph.D.)

Original Name : Jason Box

Gender : Male

Character Name : Himself - Glaciologist, University of Colorado (as Tad Pfeffer Ph.D.)

Original Name : Tad Pfeffer

Gender : Male

Character Name : Herself - James's Wife

Original Name : Suzanne Balog

Gender : Male

Character Name : Himself - EIS Videographer

Original Name : Jeff Orlowski

Gender : Male