Complex sentence: It is a sequel to Miller's 2006 film "Happy Feet" and features Elijah Wood, Robin Williams, Hugo Weaving, Magda Szubanski and Anthony LaPaglia reprising their roles from the first film.
Split into simpler sentences: It is a sequel to Miller's 2006 film "Happy Feet". It features Elijah Wood, Robin Williams, Hugo Weaving, Magda Szubanski and Anthony LaPaglia reprising their roles from the first film.