Answers vary!
The cast of North America - 2013 includes: Steve Backshall as himself Sonny Bass as Himself - Wildlife Biologist Tao Berman as Himself - Extreme Kayaker Mark Brownlow as Himself - Producer Dave Canterbury as himself Huw Cordey as Himself - Series Producer Alicia Decina as Herself - Assistant Producer Roman Dial as Himself - Environmental Scientist Justine Evans as herself Herb Ferguson as Himself - Equipment Operator: Glacier NP Will Gaff as Himself - Climber Nick Guy as Himself - Cameraman Rutger Hauer as Narattor Rutger Hauer as Narrator Hank Heasler as Himself - Geologist: Yellowstone NP Peter Knamiller as Himself - Field Assistant Cody Lundin as himself Monte Meier as Himself - World Class Racer Julie Munger as Herself - Grand Canyon River Boarder Nappy Neaman as Himself - Goat Expert Blase Reardon as Himself - Avalanche Specialist: USGS Tom Selleck as Narrator John Shier as Himself - Cameraman Lou Summerfield as Himself - Facility Manager: Glacier NP Gavin Thurston as Himself - Cameraman Wendy Warborg as Herself - Heli-Skier Richard Wollocombe as Himself - Underwater Cameraman