John Malkovich (left) and Sam Rockwell play CIA operatives on a trip to Easter Island that gets complicated in "Wild Horse Nine."

John Malkovich and Sam Rockwell star in the dark CIA comedy “Wild Horse Nine,” portraying operatives whose Easter Island trip takes an unexpected turn. The film’s setting on Rapa Nui highlights the remote island’s iconic moai statues, while costume designer Eimer Ní Mhaoldomhnaigh notes that details like Cuban heels and cowboy hats influence the actors’ performances.