Casting | Rôle |
|---|
| Ted Danson | Narrator (voice) |
| Ben Bradshaw | Self - UK Fisheries Minister 2003-2007 |
| Roberto Mielgo Bragazzi | Self - Former Tuna Farmer |
| Charles Clover | Self - Author, "The End of the Line" |
| John Crosbie | Self - Fisheries Minister, Canada (archive footage) |
| Haidar El Ali | Self - Diver, Senegal |
| Ray Hilborn | Self - University of Washington |
| Jeffrey Hutchings | Self - Dalhousie University, Canada |
| Mélanie Laurent | Narrator for France (voice) |
| Manolo Pacheco Luis | Self - Fisherman, Straits of Gibraltar |
| Patricia Majluf | Self - Cayetano Heredia University, Peru |
| John T. Maxwell | Self - American Television Chef (archive footage) |
| Adama Mbergaul | Self - Fisherman, Senegal |
| Hardy Mckinney | Self - Fisherman, South Andros, Bahamas |
| Masanori Miyahara | Self - Fisheries Agency of Japan |
| Matthew Moir | Self - North Pacific Seafoods, Alaska |
| Brian Mulroney | Self - Canadian Prime Minister 1984-1993 (archive footage) |
| Richie Nota | Self - Managing Partner, Nobu Restaurants |
| Jamie Oliver | Self - British Chef (archive footage) |
| Stephen R. Palumbi | Self - Stanford University |
| Daniel Pauly | Self - University of British Columbia |
| Pete Petersen | Self - University of North Carolina |
| Callum Roberts | Self - York University, UK |
| Yvonne Sadovy | Self - University of Hong Kong |
| Ted Stevens | Self - Senator, Alaska (archive footage) |
| Rashid Sumaila | Self - University of British Columbia |
| Serge Tudela | Self - Bluefin Tuna Expert World Wildlife Foundation |
| Boris Worm | Self - Dalhousie University Canada |