"Thirteen Lives" stars Viggo Mortensen, who plays Richard Stanton, a cave diver. Farrell plays diver John Volanthen. Joel Edgerton plays Dr. Richard Harris, a diver and anesthetist who accompanies the divers on the trip. Tom Bateman plays Chris Jewell, a computer software consultant and diver.
Meanwhile, Sahajak Boonthanakit plays Chiang Rai province Acting Governor Narongsak Osatanakorn, and Teeradon Supapunpinyo plays Ekkaphon Chanthawong, the 25-year-old assistant soccer coach and monk who helped the boys survive in the cave as they waited to be rescued.