a production of York Zimmerman, Inc. in association with WETA-TV, Washington D.C. ; produced, written and directed by Steve York ; managing producer, Miriam Zimmerman
Caracol Televisión presenta una coproducción Caracol Televisión y Televideo ; producción de campo, María Fernanda Márquez, Ximena Sotomayor ; guión y dirección, Juana Uribe
a ZDF Production in association with ZDF Enterprises, the History Channel, Channel 4 and SBS TV ; written and directed by Peter Adler, Oliver Halmburger, Stefan Brauburger, Ralf Piechowiak, Alexander Berkel
a Florentine Films production ; a film by Ken Burns ; written by Geoffrey C. Ward ; produced by Paul Barnes, Pam Tubridy Baucom, Ken Burns ; produced in association with WETA Washington, DC ; executive producer, Ken Burns