保罗·吉亚玛提
饰 Narrator (voice)
Akito Kawahara
饰 Self - Florida Museum of Natural History
Jesse R. Barber
饰 Self - Boise State University
Mary Jane Epps
饰 Self - Mary Baldwin University
Aaron Pomerantz
饰 Self - PhD. Student at the University of California
Constantí Stefanescu
饰 Self - Natural History Museum of Granollers
Jason Chapman
饰 Self - Rothamsted Research
Peter R. Houlihan
饰 Self - Biologist (uncredited)
