After just eight months in business, bicoastal Case Nydrle is breaking up, confirmed executive producer Carol Case, who cited "creative differences" with director Peter Nydrle as the reason for the split. Case Nydrle was backed financially by executive producer Bruce Mellon and feature film producer Neal Moritz, partners/owners of L.A.-based Original Film. Case said she remains a partner in Original and its hybrid music video/spot division, Holiday. At press time, SHOOT had not yet connected with Nydrle….Natalie Hill has become executive producer of the West Hollywood spot operation of multimedia company Tony K., which also maintains a London office. Hill was formerly with Strato Films, Los Angeles….Exec. producer Ron Hacohen, a mainstay at the Hollywood office of bicoastal HKM Productions, has left the company. Hacohen had been a staffer with HKM since 1990, when he was named head of production. He became exec. producer in ’96….A federal judge has reportedly overturned a $40 million jury award won by Children’s Broadcasting Corp. (CBC), Minneapolis, from Walt Disney Co. and ABC. In its St. Paul federal district court lawsuit, CBC contended that the Radio Disney children’s network was launched using CBC children’s radio network operational info and trade secrets, which were illegally accessed by Disney and ABC through ABC Radio, which had a business relationship with CBC. CBC recently shifted its core business from radio stations to spot and long-form production. In the commercial arena, CBC owns nearly 50% of Harmony Holdings, the publicly traded parent company to bicoastal/ international The End and bicoastal Curious Pictures. CBC also helped launch spot house Populuxe Pictures, New York, a couple of months ago (SHOOT, 11/13/98, p. 1). Despite the setback in its litigation against Disney and ABC, CBC is still a well-capitalized firm, having recently sold its radio-station holdings for around $71 million….