Calificación
Reparto

Rachel McAdams
Narrator (voice)

Sting
Self

Sylvia Earle
Self

Christopher W. Clark
Self

Michael Jasny
Self

Leila Hatch
Self

Paul Spong
Self

Molly Patterson
Self

Brandon Southall
Self

Katie Moore
Self

Bjornar Nicolaisen
Self

Jean-Michel Cousteau
Self

George Prochnik
Self

Joel Reynolds
Self

Kathy Metcalf
Self