Scott Baker

as Himself - Whale Geneticist

John Calambokidis

as Himself - Cascadia Research

Darlene Kenton

as Herself - Woods Hle

Bruce Matz

as Himself - Marine Mammal Institute

Tom Selleck

as Narrator (voice)

Eric Olson

as Self - Scripps

Stephen R. Palumbi

as Self - Whale Geneticist

Gisli Vikingson

as Self