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