Rachel McAdams as Narrator (voice)

Sting as Self

Kenneth C. Balcomb, III as Self

Sylvia Earle as Self

Christopher W. Clark as Self

Michael Jasny as Self

Leila Hatch as Self

Paul Spong as Self

Molly Patterson as Self

Brandon Southall as Self

Katie Moore as Self

Bjornar Nicolaisen as Self

Jean-Michel Cousteau as Self

George Prochnik as Self

Joel Reynolds as Self

Kathy Metcalf as Self

Steven Honigman as Self

William J. Parker as Self