Complex sentence: Although made in France with a French-speaking cast, the film was originally to be produced by the American company Univeral Pictures and the screenplay was originally in English, with Johnny Depp slated to star as Bauby.
Split into simpler sentences: Although made in France with a French-speaking cast, the film was produced by an American company and the screenplay was originally in English. The film was originally to be produced by Universal Pictures, and to be in English, starring Johnny Depp as Bauby.