The trailer has arrived for The Whistler, an upcoming supernatural thriller directed by Diego Velasco. The film is set to premiere at the Fantaspoa Film Festival on April 11 before its North American release on April 17, 2026.

Starring Diane Guerrero and Juan Pablo Raba, the story follows a grieving couple attempting to rebuild their lives after the loss of their daughter. When they inherit a remote farm, the pair hopes the quiet setting will offer a fresh start.

Instead, they encounter a mysterious cult that claims it can summon spirits from beyond. As the group’s influence grows, the couple finds themselves drawn into a series of events that blur the line between grief, belief, and supernatural forces.