Surveillance expert Harry Caul is hired by a mysterious client's brusque aide to tail a young couple. Tracking the pair through San Francisco's Union Square, Caul and his associate Stan manage to record a cryptic conversation between them. Tormented by … Gene Hackman, John Cazale, Allen Garfield, Frederic Forrest, Cindy Williams, Michael Higgins, Elizabeth MacRae Added on Paramount 2023-09-04, leaving 2024-08-31. Youtube Trailer