 According to producer Lewis M. Allen (qv), Truffaut spoke  virtually no English, and the cast and crew mostly operated in  French. Oskar Werner (qv), Julie Christie (I) (qv),  cinematographer Nicolas Roeg (qv), and assoc. producer  Michael Dalamar (qv), all spoke French. Allen had high school  French, but editor Thom Noble (qv) did not speak French.