written, produced and directed by Peter Frumkin ; produced in association with the Center for Independent Documentary ; a co-production of Peter Frumkin Productions LLC and Thirteen/WNET New York
a production of Pontecorvo Productions and Thirteen in association with Wildlife Media, National Geographic Channel and WNET New York Public Media ; writer, producer, and director of photography, Joseph Pontecorvo
Pontecorvo Productions and Thirteen Productions LLC in association with National Geographic Channel, Sky Vision and WNET ; produced and written by Joe Pontecorvo
a production of BBC Arena, Lo-Max Films Ltd., Wildwood Enterprises, and Thirteen Productions LLC for WNET ; directed by Bernard MacMahon ; story by Bernard MacMahon & Allison McGourty & Duke Erikson ; telescript by William Morgan ; produced by Allison McGourty, Bernard MacMahon, Duke Erikson ; producer, Bill Holderman ; producer, Adam Block