Proof was released in the year 2005。Proof is also called as Verdad oculta, Todiste, Count All the Love, Relationship Comes, Prueba, Bizonyítás, Beweis。

The daughter of a brilliant but mentally disturbed mathematician (recently deceased) tries to come to grips with her possible inheritance: his insanity. Complicating matters are one of her father's ex-students who wants to search through his papers and her estranged sister who shows up to help settle his affairs.

Proof actors and actresses include Anthony Hopkins, C. Gerod Harris, Gary Houston, Gwyneth Paltrow, Jake Gyllenhaal, Leigh Zimmerman, Tobiasz Daszkiewicz。