Anne Fontaine’s “The Grandmothers,” starring Naomi Watts and Robin Wright, is to receive a slice of the $A17 million ($17.4 million) fund doled out by government agency Screen Australia.Pic, which also stars Xavier Samuel (“Bait”) and James Frecheville (“Animal Kingdom”), is based on a short story by Aussie author Doris Lessing and is being adapted by Christopher Hampton. Andrew Mason and Philippe Carcassonne are producing. Black comedy “The Mule” will also receive coin. “Saw” multi-hyphenate Leigh Whannell will co-produce, co-write and star in the pic, helmed by Tony Mahony. Also announced as part of the investment slate was helmer Paul Currie’s New York-set thriller “2:22,” and a remake of frightener “Patrick” by helmer Mark Hartley.