导演

Monte Thompson

编剧

Monte Thompson

演员

Steven Beissinger

饰  Himself

彼德·考约特

Peter Coyote

饰  Narrator (voice)

Gretchen Daily

饰  Herself

Dr. Paul Ehrlich

饰  Himself

Mary Gomes

饰  Herself

Allen Kanner

饰  Himself

Richard Leakey

饰  Himself

Norman Myers

饰  Himself

Melissa Nelson

饰  Herself

Stuart Pimm

饰  Himself

Peter Roopnarine

饰  Himself

Mary Evelyn Tucker

饰  Herself

Peter Vitousek

饰  Himself

摄影

Steve Davy

音乐

Richard Wormstall

艺术指导

Maggie Hoppe

剪辑

Greg Tennant