“Widow’s Bay” creator Katie Dippold did not write any of the show’s characters with actors in mind. But she knew she wanted Hiro Murai to direct it. “He was my dream director. I was watching ‘Atlanta’ while I was rewriting the show,” Dippold told TheWrap, citing the Emmy-winning FX comedy that Murai directed nearly 30 episodes of as a major influence on her new Apple TV horror comedy. “I think Hiro is so brilliant at executing a very grounded wo…