The world premiere of Wayne Beach’s action thriller “Slow Burn” joined the slate of the Toronto Film Festival on Tuesday. Beach’s directing debut stars Ray Liotta, Jolene Blalock, LL Cool J, Taye Diggs, Chiwetel Ejiofor and Mekhi Phifer. Liotta plays a district attorney who has until dawn to solve a murder or be implicated in it himself. Lee Daniels also returns to the festival with his directorial debut, the world preeming “Shadowboxer,” starring Helen Mirren and Cuba Gooding Jr. as contract killers. Daniels produced “Monster’s Ball” and “The Woodsman.” “Slow Burn” is a special presentation, and “Shadowboxer” is part of the contemporary world cinema program.