Ron Magill

饰：Self - Zoologist

Cathie Harris

饰：Self - Alaska Dept. of Fish and Game

Steve Mendive

饰：Self - Bison Attack

Randy Thornton

饰：Self - Humpback Whale Attack

Lisa Costello

饰：Self

Mauritz Basson

饰：Self - Wellington Zoo

Michelle Garforth

饰：Self

Sandra Herold

饰：Self

Richard Conklin

饰：Self - Stamford Police Captain

Allena Hansen

饰：Self - Bear Attack

Curt Merrill

饰：Self - Kern County Fire Department

Evan Pala

饰：Self - Bear Attack

John Pala

饰：Self

Wally Cash

饰：Self - Bear Attack

Corey Hebert

饰：Self

埃里克·德拉姆斯

Erik Dellums

饰：Self,Narrator

Paul Damgaard

饰：Self

Ryan McInnis

饰：Self - Filmmaker