Toby Kebbell as Sean Turner, a stay-at-home consulting chef, recently bereaved father and husband to Dorothy Lauren Ambrose as Dorothy Turner, a local television news reporter, recently bereaved mother, and wife to Sean Nell Tiger Free as Leanne Grayson, a mysterious young nanny from Wisconsin hired by the Turners Rupert Grint as Julian Pearce, Dorothy's brother and Sean's brother-in-law Mason and Julius Belford as Jericho