The wife and mistress of the abusive headmaster of a boy's school plot and carry out his murder. They dump his body in the murky swimming pool at the school and await for it to surface. After several days, some unusual circumstances point to clues that he is not dead after all.
| Actor | Role |
|---|---|
 Tuesday WeldVicky | Vicky |
 Joan HackettClaire Elliott | Claire Elliott |
 Sam WaterstonMichael Elliott | Michael Elliott |
 Lucille BensonMrs. Turner | Mrs. Turner |
 Michael LernerJerry Steele | Jerry Steele |
 R.G. ArmstrongMr. Turner | Mr. Turner |
 Ed BernardCoroner | Coroner |
| WWilliam TurnerMr. Griffiths | Mr. Griffiths |
 Lance KerwinChip | Chip |
| SSandra CoburnWoman | Woman |
| RRita CondeMaid | Maid |
| SSam HenriotDavid | David |
| JJohn LevinKeith | Keith |
| JJames A. NewcombePeter | Peter |
 Don SparksPhotographer | Photographer |
 Jesse VintCop on Freeway | Cop on Freeway |
| PPattie J. BarbosaGirl on the Beach (uncredited) | Girl on the Beach (uncredited) |
| DDaniel SelbyStudent (uncredited) | Student (uncredited) |