Himself (Wild Animal Trainer)
Dave Hoover
Himself (Topiary Gardener)
George Mendonça
Himself (Mole-Rat Specialist) (as Ray Mendez)
Raymond A. Mendez
Himself - Robot Scientist
Rodney Brooks
Director
Errol Morris
Producer
Director of Photography
Robert Richardson
Music
Caleb Sampson
Executive Producer
Lindsay Law
Mark Lipson
Julia Sheehan
Kathy Trustman
Editor
Shondra Merrill
Karen Schmeer