Charlbi Dean, the South African actor and model 

She won this year's top prize at the Cannes Film Festival

Dean died of an unexpected, sudden illness at a hospital in New York City

Dean also had a recurring role as the assassin Syonide on the DC Comics television series "Black Lightning,"

She was born Charlbi Dean Kriek in Cape Town, where she was also raised.

Dean began modeling as a child

She survived a near-fatal car accident in 2009