SFPD Detective Lieutenant Michael Stone is partnered with a young college-educated Inspector, Steven Keller, as they investigate a girl found dead in the water, with a lawyer she knew as the primary suspect.
| Actor | Role |
|---|---|
 Karl MaldenDetective Lieutenant Michael Stone | Detective Lieutenant Michael Stone |
 Robert WagnerDavid J. Farr | David J. Farr |
 Michael DouglasSteven Keller | Steven Keller |
 Kim DarbyHolly Jean Berry | Holly Jean Berry |
 Tom BosleySaretti | Saretti |
 Lawrence DobkinGregory Praxas | Gregory Praxas |
 Andrew DugganCapt. A.R. Malone | Capt. A.R. Malone |
 Edward AndrewsJoe Caswell | Joe Caswell |
 John RubinsteinLindy | Lindy |
 Carmen MathewsSally Caswell | Sally Caswell |
| BBrad DavidDel Berry | Del Berry |
 MakoKenji | Kenji |
 Naomi StevensMrs. Saretti | Mrs. Saretti |
 Lou FrizzellLou | Lou |