Matthew Marsden and Alyson Stoner have joined the thriller Selling Isobel.

Frida Farrell, Gabriel Olds, Lew Temple, Amber Benson, Stelio Savante, Samantha Esteban and Brandon Burrows were previously announced on the true story.

Selling Isobel is currently shooting in Los Angeles and centres on a pilates teacher who is kidnapped and sent to work in the sex trade.

Rudolf Buitendach directs from a screenplay by producer Glynn Turner.