Exclusive: In another hot package unveiled for buyers here in Toronto, Tom Waller is set to direct his script The Cave, a drama about the harrowing rescue of the Wild Boars soccer team, after 12 boys aged 11-16 and their coach got trapped earlier this summer in the Tham Luang Cave in Thailand. The rescue of the boys before the caves became flooded played out in real time on TV screens across the world and was accomplished by experts from numerous countries.

Set up as a Thai production, the drama will begin shooting in November, with Thailand-based De Warrenne Pictures producing.

The British filmmaker was born in Bangkok and has directed Monk Dawson, Mindfulness and Murder, and The Last Executioner. The latter two were set in Thailand and won numerous awards. The production team includes editor Lee Chatametikool and production designer Pongnarin Jonghawklang.

Wild Bunch is handling international sales and introducing...