W e just saw Julianne Moore nurture birds in Sirens, but in Echo Valley, she's training horses. The Apple TV movie sees her character Kate reunite with her daughter Claire (Sydney

"It's really open for discussion at the end of the film," Moore says. "It's been inciting a lot of conversation."

Echo Valley director Michael Pearce explains why Julianne Moore was a perfect fit, while costar Domnhall Gleeson breaks down his villain character.