Camilla Belle - from 10,000 B.C. - has signed on to star in Adrift.

Set in the 1980s, the movie, written by Dhalia, centers on a 14-year-old girl who struggles with her life when she learns of the infidelities of her father (Vincent Cassel) while undergoing her own sexual awakening.

Belle will play a young woman having an affair with the father. The movie will be released in Brazil in 2009.