Ron Howard Director, Producer Viggo Mortensen Richard Stanton Actor Colin Farrell John Volanthen Actor Joel Edgerton Dr. Richard Harris Actor Tom Bateman Chris Jewell Actor Paul Gleeson Jason Mallinson Actor Pattrakorn Tungsupakul Actor Thiraphat Sajakul Anand Actor Teeradon Supapunpinyo Ekkaphon Chanthawong Actor Sahajak Boonthanakit Narongsak Osatanakorn Actor Sukollawat Kanarot Saman Kunan Actor Vithaya Pansringarm General Anuphond Actor Nophand Boonyai Thanet Natisri Actor Lewis Fitz-Gerald Vernon Unsworth Actor Shakriya Tarinyawat Manop - Prem's father Actor Jane Larkin Australian reporter Actor William Nicholson Screenwriter Brian Grazer Producer Karen Lunder Producer P.J. van Sandwijk Producer Gabrielle Tana Producer William M. Connor Producer