Rick Steiner
饰:Himself - Professor, Oil Spill Expert
Peter Convey
饰:Himself - Terrestrial Ecologist & Research Professor
Boyan Slat
饰:Himself - Founder of the Ocean Cleanup Initiative
Hugh Pennington
饰:Himself - University of Aberdeen
Lee Perry
饰:Himself - Narrator
Satinath Sarangi
Satinath Sarangi
饰:Himself - Managing Trustee at Sambhavna Trust