Christopher Vourlias Russian heartthrob Danila Kozlovsky (“Vikings”) admits he “never wanted or thought to make a movie about Chernobyl.” But that changed the moment the actor-turned-director laid eyes on a script, written by Aleksey Kazakov and Elena Ivanova, for a big-budget action film about the aftermath of the nuclear power plant meltdown.“When the synopsis came to me, I read one very strong scene and immediately saw how I could tell this story,” Kozlovsky says.