Other Mommy tops the box office with $27.5m, with Social Reckoning at $5.5m

Cast including director Rob Savage, Arabella Olivia Clark, Jessica Chastain, and Jay Duplass arrive at the LA premiere of Other Mommy - (Invision)

The Jessica Chastain horror Other Mommy topped the North American box office this weekend with a bigger audience than expected, while The Social Reckoning got off to a lackluster start.

Other Mommy released by Universal Pictures, earned $27.5 million in its first few days in 3,365 theaters, according to studio estimates on Sunday.