Cast & Crew

writer

Self - Presenter

executive producer

assistant producer

producer

producer

assistant producer

sound

sound

sound

sound

sound

unit production manager

unit production manager

graphic designer

graphic designer

graphic designer

the BBC wishes to thank

the BBC wishes to thank: University of Chicago

the BBC wishes to thank: Army Corps of Engineers, Montana

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank: The Australian Museum

the BBC wishes to thank

the BBC wishes to thank: University of New South Wales

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank: Koshima Field Laboratory

the BBC wishes to thank: Natal Parks Board

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank: Arctic Biological Station

the BBC wishes to thank

the BBC wishes to thank: The University of Manitoba

the BBC wishes to thank: Kasoje Chimpanzee Research Station

the BBC wishes to thank: Flinders University of South Australia

the BBC wishes to thank

the BBC wishes to thank

the BBC wishes to thank

conductor / conducted by

lighting cameraman

cameraman

additional photography

additional photography

additional photography

additional photography

additional photography