Over the course of ten days and 435 miles, an unbreakable bond is forged between pro adventure racer Michael Light and a scrappy street dog companion dubbed Arthur. As the team is pushed to their outer limits of endurance in the race, Arthur redefines what victory, loyalty and friendship truly mean.
Mark Wahlberg
Nathalie Emmanuel
Simu Liu
Ali Suliman
Juliet Rylance
Bear Grylls
Michael Landes
Paul Guilfoyle
Rob Collins
Elizabeth Chahin
Viktor Åkerblom
Zamantha Díaz
Cece Valentina
Roger Wasserman
Sharon Gallardo
Andrés Castillo
Angie Berube
Alani iLongwe
Mauricio Adrian
Luis del Valle
Arturo Duvergé
Oscar Best
Iban Marrero
Carlton Mallard