The new Other Mommy poster nails uncanny horror, with Jessica Chastain's menacing smile and eerie lighting setting high standards for what’s to come. If the promotional poster is this creepy, I can’t even imagine what the actual movie is going to do to my heart rate.

Horror fans have been praising the new movie poster for its effortlessly uncanny horror. The half close-up shot of Chastain with a single tear running down her cheek amplifies the eeriness, creating an almost plastic-looking airbrushed skin and creepy expression that haunts minds long after the theatre lights come up.

The trailer has also caught many casual viewers off guard, with one Redditor writing: 'The trailer played before The Odyssey and the whole theatre jumped. It looked so scary.' Another joked, 'I just wanted to go see Matt Damon wander around the Mediterranean Sea, not poop my pants.'

For more movie news, check out why horror movie poster design has a problem or take a look at the amazing fan-made movie poster trend taking over X.