- Sam Worthington Mackenzie 'Mack' Phillips
- Octavia Spencer Papa
- Tim McGraw Willie
- Radha Mitchell Nan Phillips
- Alice Braga Sophia
- Graham Greene Male Papa
- Ryan Robbins Emil Ducette
- Emily Holmes Vicki Ducette
- Derek Hamilton Padre de Mack
- Kendall Cross Agente especial Wikowski
- Jay Brazeau Tony
- Avraham Aviv Alush Jesús
- Gage Munroe Josh Phillips
