• This photo provided by Roadside Attractions/Lionsgate shows, Chris Pine, from left, as Caleb, Margot Robbie as Ann Burden, and Chiwetel Ejiofor as Loomis, in the film, "Z for Zachariah." (Roadside Attractions/Lionsgate via AP)

    Review: ‘Zachariah’ a drama about last 3 people on Earth

    LOS ANGELES (AP) — A powder-keg plot setup triggers an underwhelming display of dramatic fireworks in “Z for Zachariah,” a post-apocalyptic survival tale propelled by male-female emotional dynamics. Set in a remote valley spared from radioactive contamination after a presumed global catastrophe, the film from director Craig Zobel effectively sets all its surface parts in motion but, crucially, doesn’t sufficiently develop the turbulent undercurrent of tension and intrigue that are called for in the hothouse circumstances. This, despite the solid efforts of the only actors in the piece, Chiwetel Ejiofor, Margot Robbie and Chris Pine.