Liza Foreman He’s become one of Spain’s most successful auteur directors of big audience hits. Now director-writer-producer Alex de la Iglesia (“The Day of the Beast,” “30 Coins”) and producing partner, the actor-producer Carolina Bang (“The Last Circus”), have turned to wayward soccer players for their latest TV outing, HBO Max show “Headless Chickens.” The starting point for this upcoming Spanish series is curiosity, Bang explained at an afternoon Q&A session at the Berlinale Series Market on Tuesday scheduled in the Next from Spain strand. “Alex and I don’t like soccer very much but we have a lot of curiosity about the industry,” said Bang. “You have a lot of young people that became very rich very quickly. It destroys your head.”