Rosamund Pike as Miranda Wells

Shiloh Fernandez as William Finn

Nick Nolte as Mitchell Wells

Rumer Willis as Darlene

Keir O'Donnell as Tony Desantos

Scout Taylor-Compton as Crystal

Illeana Douglas as Judy

Camryn Manheim as Nancy

Alexi Wasser as April

Stephen Louis Grush as Randy

Donna DuPlantier as Karen

Billy Slaughter as Kevin

Ian Barford as Gary Harland

Jeff Pope as Sweet Guard

Ryan Phillippe as UPS Delivery Guy

Liann Pattison as Edith Brown

Tony Bentley as Creepy Customer

Marco St. John as Older Man

Ian Casselberry as Line Cook

Tyler Forrest as Flower Delivery Guy

Lucas Boffin as Josh

Cherrae L. Stuart as Nurse

John McConnell as Choking Man

Samantha Beaulieu as Female Doctor

Janet Lynn Carey as Prison Wife (uncredited)

Estefania Crespo as Sun Bathing Teen (uncredited)

Jesse Yarborough as Restaurant Patron (uncredited)