Stephanie Daley premiered at the 2002 Sundance Film Festival.
Stephanie Daley -- retitled What She Knew for US television -- is a 2006 film starring Amber Tamblyn , Melissa Leo , Tilda Swinton and Timothy Hutton . Stephanie Daley was developed at the Sundance Writers ' and Filmmakers ' Lab , and premiered at the 2006 Sundance Film Festival , where it won the Waldo Salt Screenwriting Award .