Olivia Colman goes vulpine, Rupert Grint’s newborn is a monster and Joko Anwar makes a warmhearted violent ghost story set in an Indonesian prison

If I’d ever wanted children, the films showing at the 59th edition of the International Fantastic film festival of Catalonia in the coastal town of Sitges, south of Barcelona, would have soon set me straight. This year’s recurring themes were explosive parturition, chewed-up nipples and the fruit of the womb turning out to be at best sociopathic, at worst inhuman.

The theme was celebrated in an evil-kiddy exhibition at the Miramar Cultural Centre, marking the 50th anniversary of Narciso Ibáñez Serrador’s “fantaterror” classic Who Can Kill a Child?, some of which was filmed in Sitges itself. The expo traced the subgenre from 1956’s The Bad Seed, via Rosemary’s Baby and The Exorcist, to this year’s Nightborn, in which poor Rupert Grint, as the hapless husband, is no match for the developing folk-horror bond between his depressed wife, their newborn “child”, and the spooky forest surrounding their house. Finnish director Hanna Bergholm, in her introduction, confessed it was inspired by her experiences of motherhood. Only up to a point, one hopes.

Manville’s academic psychologist finds herself trapped in a tower block wasteland in 1980s Warsaw. Bizarre and surreal details add to the sinister vibe

Part cold war thriller, part Kafkaesque reverie, this movie takes us back to the sinister drear of Poland in 1981, when General Jaruzelski has just introduced martial law in reaction to the dangerous new mood of freedom occasioned by the Solidarity trade unions. The director is Kasia Adamik, daughter of The Green Border’s Agnieszka Holland; the film is adapted from a story by Olga Tokarczuk, called Professor Andrews Goes to Warsaw.

Lesley Manville plays Professor Andrews, an academic clinical psychologist (like Tokarczuk) from Britain with testy, peremptory mannerisms; her indulgence is a fondness for taking Polaroid photos. She has attained a certain level of celebrity for a book on dreams, despite claiming that she never dreams herself. Andrews has been invited to give a lecture in Warsaw, during which she begins to outline views on mental illness not unlike those of Laing or Foucault; but her speech is chaotically disrupted by students shouting that Poland itself is an oppressive asylum.