演員表
- 導演：
- 編劇：
- 演員：
- 金哈克曼 Gene Hackman ............Harry Caul
- 約翰卡佐爾 John Cazale ............Stan
- Allen Garfield ............Bernie Moran
- 佛德瑞克佛斯特 Frederic Forrest ............Mark
- Cindy Williams ............Ann
- Michael Higgins (Ⅰ) ............Paul
- Elizabeth MacRae ............Meredith
- 泰瑞卡兒 Teri Garr ............Amy
- 哈里遜福特 Harrison Ford ............Martin Stett
- Mark Wheeler (Ⅰ) ............Receptionist
- Robert Shields ............The Mime
- Phoebe Alexander ............Lurleen
- Ramon Bieri ............Man at Party (uncredited)
- Gian-Carlo Coppola ............Boy in Church (uncredited)
- George Dusheck ............TV Anchor (uncredited)
