Harper is brought to Louisiana to investigate an attempted blackmail scheme. He soon finds out that it involves an old flame of his and her daughter. He eventually finds himself caught in a power struggle between the matriarch of the family and a greedy oil baron, who wants their property. Poor Harper! Things are not as straight-forward as they initially appeared.
Unfortunately the movie The Drowning Pool is not yet available on HBO Max.
| Writing | Walter Hill | Screenplay |
| Directing | Stuart Rosenberg | Director |
| Writing | Ross Macdonald | Novel |
| Writing | Lorenzo Semple Jr. | Screenplay |
| Writing | Tracy Keenan Wynn | Screenplay |
| Production | Hawk Koch | Associate Producer |
| Editing | John C. Howard | Editor |
| Camera | Gordon Willis | Director of Photography |
| Sound | Michael Small | Music |
| Production | David Foster | Producer |
| Production | Alan Shayne | Casting |
| Production | Lawrence Turman | Producer |
| Art | Paul Sylbert | Production Design |
| Art | Edwin O'Donovan | Art Direction |
| Costume & Make-Up | Richard Bruno | Wardrobe Supervisor |
| Sound | Larry Jost | Sound Mixer |
| Production | Arthur S. Newman Jr. | Production Manager |
| Crew | Paul Casella Jr. | Transportation Captain |
| Art | Pat O'Connor | Property Master |
| Directing | Hawk Koch | Assistant Director |
| Directing | Betty Crosby | Script Supervisor |
| Camera | Richard Yuricich | First Assistant Camera |
| Costume & Make-Up | Kaye Pownall | Hairstylist |
| Camera | Art Brooker | Key Grip |
| Costume & Make-Up | Monty Westmore | Makeup Artist |
| Art | Phil Abramson | Set Decoration |
| Camera | Ralph Gerling | Camera Operator |
| Lighting | George Holmes | Gaffer |
| Crew | Stan Barrett | Stunt Coordinator |
| Writing | Eric Roth | Writer |
| Costume & Make-Up | Donald Brooks | Wardrobe Designer |
