Tye Sheridan as Harper James

Bel Powley as Cherry

Emory Cohen as Johnny Ray

Stephen Moyer as Vincent

John Lynch as Frank Malone

Jared Abrahamson as Paul

Gbenga Akinnagbe as Michael Andrews

Deon Lotz as Mr. Parfitt

Reine Swart as Claire Wiseman

Tamer Burjaq as Ralph

Daniel Fox as Officer Stanwyck

Kal Weber as Dr. Ulmer

Reine Swart as Claire (waitress)

Nick Boraine as Lecturer

Danny Keogh as Business Man

Joe Vaz as Barman

Michael Bundred as Car Hire Man

Francis Chouler as Las Vegas Policeman

Dylan Edy as Johnny's Friend #2

Nic Rasenti as Johnny's Friend #1

Chi Mhende as Hospital Receptionist (voice)

Sibongile Mlambo as Hotel Receptionist

Jenna Saras as Hotel Bar Woman

Loulou Taylor as Bank Teller

Kal Weber as Dr. Ulmer (voice)

Geoffrey Howard as Security Officer (uncredited)