James Balog

Himself - Photographer

Svavar Jonatansson

Himself - Photo Assistant

Adam LeWinter

Himself - EIS Engineer (as Adam Lewinter)

Louie Psihoyos

Himself - Photographer & Oscar Winning Filmmaker

Kitty Boone

Herself - The Aspen Institute

Sylvia Earle

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

Dennis Dimick

Himself - National Geographic Editor

Jason Box

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

Tad Pfeffer

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

Suzanne Balog

Herself - James's Wife

Jeff Orlowski

Himself - EIS Videographer