G. Allen Johnson May 20, 2021 Toni Collette is flanked by co-stars Owen Teale (left) and Damian Lewis in the Wales-set “Dream Horse,” which opens in theaters on Friday, May 21. Photo: Kerry Brown, Bleecker Street At 48, Toni Collette is busier than ever. One could make the case she is doing the best work of her career in recent years. Yet despite jetting around the world to make films such as “Hereditary,” “Knives Out,” her recent Netflix film “Stowaway” and her current release, “Dream Horse,” Collette felt the pull of home. So she and her family, after years ...