Amber Heard has booked “Three Days to Kill,” closing a deal to star opposite Kevin Costner in the McG-directed action thriller for EuropaCorp.Pic will be released in the U.S. by Relativity Media, which is also distributing IM Global’s “Paranoia,” starring Heard and Liam Hemsworth. Luc Besson and Adi Hasak co-wrote “Kill,” which finds Costner playing a dying Secret Service agent who decides to retire in order to reconnect with his estranged family. Heard will play the woman who offers him access to an experimental drug that could save his life in exchange for one last assignment, which Costner must complete while coping with the drug’s hallucinatory side effects. EuropaCorp’s Besson and Virginie Besson-Silla are producing with Hasak and Relativity CEO Ryan Kavanaugh, while Relativity prexy Tucker Tooley is exec producing. In addition to Robert Rodriguez’s “Machete Kills” and Robert Luketic’s “Paranoia,” Heard will soon be seen in the indie “Syrup” alongside Shiloh Fernandez, Kellan Lutz and Brittany Snow. Thesp most recently played Johnny Depp’s love interest in “The Rum Diary.” Heard is repped by WME, Media Talent Group and attorney Karl R. Austen.