When a man is murdered by drowning in a paper pulp vat, a small town clamors for justice and his brother comes face to face with the slippery nature of objective truth. 'Beyond Human Nature' chronicles the grisly Tom Monfils homicide investigation of 1992 through the eyes of the people who lived it.
| Actor | Role |
|---|---|
| MMike PiaskowskiSelf | Self |
| RRandy WinklerSelf | Self |
| CCal MonfilsSelf | Self |
| JJohn ZakowskiSelf | Self |
| SSteve KaplanSelf | Self |
| FFrancine EnrightSelf | Self |
| SSteve SteinSelf | Self |
| AAmanda WilliamsSelf | Self |
| EEarl KellnerSelf | Self |
| DDenis GullicksonSelf | Self |
| BBrian KerhinSelf | Self |
| AAnn KlemmSelf | Self |
 Tony Lee GratzTom Monfils | Tom Monfils |
| JJohn JajewskiRandy Winkler | Randy Winkler |
| EErin GeeJoan Monfils | Joan Monfils |
| TTessa DotySusan Monfils | Susan Monfils |
| AAshley JankoYoung Amanda | Young Amanda |
| GGavin KruegerYoung Winkler / Young Earl | Young Winkler / Young Earl |
| JJeffrey PohorskiBrian Kellner | Brian Kellner |
| JJoe ClarkKeith Kutska / Steve Stein | Keith Kutska / Steve Stein |
| MMarquis TurnerRey Moore | Rey Moore |
| TTom MonfilsSelf (archive footage) | Self (archive footage) |
| KKeith KutskaSelf (archive footage) | Self (archive footage) |
| MMike HirnSelf (archive footage) | Self (archive footage) |
| RRey MooreSelf (archive footage) | Self (archive footage) |
| DDale BastenSelf (archive footage) | Self (archive footage) |