Complex sentence: It was directed by Ted Kotcheff and based on the best selling novel by Peter Gent: the screenplay was by Kotcheff, Gent, Frank Yablans and Nancy Dowd (uncredited).
Split into simpler sentences: It was directed by Ted Kotcheff and based on the best-selling novel by Peter Gent. The screenplay was by Kotcheff, Gent, Frank Yablans and Nancy Dowd (uncredited).