Complex sentence: Danny Kaye plays Hubert Hawkins, an ex-carnival entertainer who becomes minstrel to the Black Fox, a Robin Hood-type character, (Edward Ashley), leader of the rebels in the forest who support the true infant-king.
Split into simpler sentences: Danny Kaye plays Hubert Hawkins, an ex-carnival entertainer who becomes minstrel to the Black Fox, a Robin Hood-type character. Played by (Edward Ashley), the Black Fox leads a band of rebels in the forest, who support the true infant-king.