Pelagius Films presents ; produced by Bob DeMars, Terence Greene and Loren Mendell ; executive producers Joe Fries, Joey Rappa and Jon Hagstrom ; written and directed by Loren Mendell
a Frontline co-production with the Palfreman Film Group ; WGBH Educational Foundation ; senior producer, Raney Aronson ; co-producer, Kate McMahon ; written, produced, and directed by Jon Palfreman
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
PBS ; a production of KERA ; produced in association with Once TV-Mexico City ; produced by Andrea Boardman, Ginny Martin, Rob Tranchin ; written by Rob Tranchin ; directed by Ginny Martin
a Providence Pictures production for Nova and WGBH Boston in association with TelFrance and ARTE France ; produced and directed by Scott Tiffany ; written and produced by Gary Glassman