In May of 1976, documentary filmmaker and proclaimed socialist Raymundo Gleyzer mysteriously disappeared in Buenos Aires. Like many political activists, Gleyzer was the target of a brutalizing military junta that had recently assumed power. Amazingly, within a few decades, leftist filmmakers would be celebrated as intellectual vanguards in this same city.

In Transition Cinema, Jessica Stites Mor documents the critical role filmmakers, the film industry, and state regulators played in Argentina's volatile transition to democracy. She shows how, during different regimes, the state moved...