Janus Films ; Black Sand Productions presents ; a film by Robert Epstein and Richard Schmiechen ; produced by Richard Schmiechen ; directed by Robert Epstein ; narration writers, Judith Coburn and Carter Wilson ; a production of Robert Epstein & Richard Schmiechen and the Television Laboratory at WNET/Thirteen
IFC Films ; an American Playhouse presentation ; an Errol Morris film ; executive producer, Lindsay Law ; produced by Mark Lipson ; directed by Errol Morris
20th Century Fox ; Twentieth Century Fox presents Darryl F. Zanuck's production of ; a Cosmopolitan production ; directed by John Ford ; original screen play by Lamar Trotti