Elsa Keslassy International CorrespondentHulu has acquired U.S. rights to “Fireheart,” Anton’s ambitious animated family feature directed by Laurent Zeitoun (“Leap!”) and Theodore Ty (“Kung Fu Panda”) with a voice cast headlined by Olivia Cooke, William Shatner, Laurie Holden and Kenneth Branagh.The deal was negotiated with Hulu by CAA Media Finance and Anton’s Cécile Gaget on behalf of the producers. “Fireheart” will debut on Hulu’s streaming platform in the U.S.