a film by Marilyn & Hal Weiner ; producer, Marilyn Weiner ; writer/director, Hal Weiner ; a Screenscope production ; Gulf of Mexico Research Initiative ; Wallace Genetic Foundation ; Farvue Foundation
a film by Marilyn & Hal Weiner ; producer, Marilyn Weiner ; writer/director, Hal Weiner ; a Screenscope production ; Gulf of Mexico Research Initiative
director, Jacqueline Corkery ; producer, Tina Verma ; produced by Canadian Broadcasting Corporation, in association with National Geographic Channel, and with the participation of Discovery Science