Question: Who was the director of the 2013 English-language German 3D computer-animated motion capture action-adventure film in which the actress, known for starring as Kristina Cassadine on the soap opera "General Hospital", voiced a role?
Sentence (from "Cassadine family"): The family is currently represented on canvas by Alexis, Valentin, Sam, Kristina, Molly, Danny, Charlotte and Emily.
Relevant evidence: No