Ross Larkin
— Frank
Justin Moore
— Greg
Byron J. Brochmann
— Steve
Tamara Ruggiero
— Sophie
Sue Rosenwax
— Frank's Mum
Luca Chiarato
— Gordon
Ryan Bruton
— Testing Officer
Leo Champion
— Young Frank
Patch Cottin
— Teenage Boy 1
Alain Capuno
— Teenage Boy 2
Jaime Ludlow
— Teenage Boy 3
Victor Tikhanov
— Teenage Boy 4