produced in association with Cream Productions Inc. for National Geographic Television & Film also in association with ZDF, ZDFE, France 5, BBC ; producer & director, Christopher Rowley ; writer, Michael W. Sheehan
a co-production of Mel Stuart Productions, Inc., P.O.V. American Documentary, Inc., and Thirteen/WNET ; directed and produced by Mel Stuart ; editor, cinematographer and co-producer, Alex Rotaru