Scott Baker
Himself - Whale Geneticist
Acting
John Calambokidis
Himself - Cascadia Research
Acting
Darlene Kenton
Herself - Woods Hle
Acting
Bruce Matz
Himself - Marine Mammal Institute
Acting
Tom Selleck
Narrator (voice)
Acting
Eric Olson
Self - Scripps
Acting
Stephen R. Palumbi
Self - Whale Geneticist
Acting
Gisli Vikingson
Self
Acting