Self - Filmmaker
Self - Ret. Chief U.S. Navy, Integrated Undersea Surveillance System
Self - Author, Interspecies Musician
Self - Senior Scientist, Cornell University (as Dr. Christopher W. Clark)
Self - Senior Researcher (as Daniel Palacios Ph.D.)
Self - Director, Marine Mammal Institute (as Bruce Mate Ph.D.)
Self - NOAA, PMEL Acoustics Program Manager (as Dr. Robert Dziak)
Self - NOAA, PMEL Acoustics Program
Self - Chief Curator, New Bedford Whaling Museum (as Christina Connett Ph.D.)
Self - Professor of Bioacoustics
Self - Cascade Research Collective
Self - Oceanographer (as Dr. Ana Sirovic)
Self - Research Biologist
Self - Founder, Ocean Alliance (as Dr. Roger Payne)
Self - Professor of History, Princeton University
Self - Musician, Actress
Self - Biologist (as Dr. Ann Allen)
Self - American Museum of Natural History (as Dr. Michael J. Novacek)
Self - Animal Psychologist (as Dr. Vint Virga DVM)
Self - Professor of Neuroscience (as Dr. Patrick R. Hof MD)
Self - Oceanographer (archive footage) (as Dr. Bill Watkins)