丹尼尔·雷德克里夫,艾玛·沃森,鲁伯特·格林特,汤姆·费尔顿,迈克尔·刚本,艾伦·瑞克曼,邦妮·怀特,朱丽·沃特斯,海伦娜·邦汉·卡特,吉姆·布劳德本特,玛吉·史密斯,伊文娜·林奇,爱玛·沃森,阿伦·瑞克曼,Alan Sidney Patrick Rickman,艾玛·沃特森,艾伦·里克曼,大卫·勒格诺
In a near future, crimes and accidents can be prevented by making just one phone call to the past. However, the peace of this utopian world will be disrupted by a methodical killer who seems to have discovered the only flaw in this system.