Paradox Effect is a 2023 American action film written by Samuel Bartlett, Andrea Iervolino and Ferdinando Dell'Omo, directed by Scott Weintrob and starring Olga Kurylenko, Harvey Keitel and Alice Astons.

After witnessing a murder, an ex-junkie is forced to cooperate with the killer to save her daughter's life.

She must fight time, the police and the criminal underworld to save the only person who means something to her.

In December 2022, it was announced that Keitel and Kurylenko were cast in the film.

[1] In January 2023, it was announced that filming occurred in Italy.