Cosmo Jarvis, star of FX’s smash hit series “Shōgun,” will star as future Soviet leader Joseph Stalin in “Young Stalin.” Georgian-French helmer Géla Babluani (“13 Tzameti,” “Money”) has signed on to direct the period thriller that is being financed by Len Blavatnik‘s Access Entertainment, which backed Jonathan Glazer’s Oscar-winning Holocaust film “The Zone of Interest” and last year’s “Conclave.” […]