本片是一部美国剧情片，由Robert Stevens导演，由艾伯特萨尔米/罗伯特哈里斯主演。
剧情简介：Two men wait at a train station. One is an accountant. The other is a lawyer. A siren wails periodically. It seems a maniac has escaped from the local mental hospital. The police haven't caught him yet. So, who knows if the maniac will come charging into the waiting room? In fact, who knows if he isn't already there?
外文名："Alfred Hitchcock Presents" The Dangerous People
别名：The Dangerous People
类型：剧情 / 悬疑 / 惊悚 / 犯罪
地区：美国
导演：Robert Stevens
编剧：弗朗西斯·M·科克雷尔 / 弗雷德里克·布朗
演员：艾伯特萨尔米 / 罗伯特哈里斯
