演职人员
导演
Evan Morton
Narrator
艾德·哈里斯
Special Narrator
琳达·汉密尔顿
Self – Actress & Activist
伊莲·亨德里克斯
Self – Grizzly Creek Ranch, General Manager
Malou Anderson-Ramirez
Self – Vertebrate Paleoecologist, La Brea Tar Pits
Mairin Balisi
Self – Acclaimed Author and Wolf Researcher
Rick McIntyre