The Greatest Return (0) | Full Cast

Matt Mays

DIRECTOR

Malcolm Bowman

Self (professor)

Gerardo Ceballos

Self

David Conover

Self (Marine Sciences Research Center)

Steve Dishart

Self (Blue Ocean Institute)

Iain Douglas-Hamilton

Self

Saba Douglas-Hamilton

Self

Rodney Jackson

Self

Charles Knowles

Self (Wildlife Conservation Network)

Laurie Marker

Self

Jack O'Hara

Narratorvoice

Alan Root

Self (wildlife filmmaker)

Carl Safina

Self

George Schaller

Self (conservation biologist)

Amanda Vincent

Self (Project Seahorse)