| JJesse TempleSelf (voice) (archive sound) | Self (voice) (archive sound) |
| BBrad KatinasSelf (voice) (archive sound) | Self (voice) (archive sound) |
| DDiane SchulerSelf (voice) (archive sound) | Self (voice) (archive sound) |
| JJay SchulerSelf - Diane's Sister-in-Law | Self - Diane's Sister-in-Law |
| MMichael RealmutoSelf (archive footage) | Self (archive footage) |
| DDaniel SchulerSelf - Diane's Husband | Self - Diane's Husband |
| JJimmy SchulerSelf - Daniel's Brother & Jay's Husband | Self - Daniel's Brother & Jay's Husband |
| WWarren HanceSelf - Diane's Brother (voice) (archive sound) | Self - Diane's Brother (voice) (archive sound) |
| DDominic BarbaraSelf - Schuler Attorney | Self - Schuler Attorney |
| EEvan SchulerSelf - Jay's Son | Self - Jay's Son |
| AAnn ScottSelf - Owner, Hunter Lake Campground | Self - Owner, Hunter Lake Campground |
| JJames BoyleSelf - Investigator, New York State Police | Self - Investigator, New York State Police |
| JJoseph BecerraSelf - Investigator, New York State Police | Self - Investigator, New York State Police |
| MMichael E. ArcherSelf - Accident Reconstructionist | Self - Accident Reconstructionist |
| BBryan SchulerSelf - Sole Survivor of Accident | Self - Sole Survivor of Accident |
| RRoseann GuzzoSelf - Guy Bastardi's Sister | Self - Guy Bastardi's Sister |
| MMargaret NicotinaSelf - Guy Bastardi's Sister | Self - Guy Bastardi's Sister |
| JJoseph LongoSelf - Daniel Longo's Brother | Self - Daniel Longo's Brother |
| GGerald SalernoSelf - Witness | Self - Witness |
| FFrancis BagleySelf - Witness | Self - Witness |
| JJean BagleySelf - Witness | Self - Witness |
| KKristine PuvogelSelf - Diane's Childhood Friend | Self - Diane's Childhood Friend |
| MMichelle FederleinSelf - Diane's Childhood Friend | Self - Diane's Childhood Friend |
| NNicole MessinaSelf - Diane's Childhood Friend | Self - Diane's Childhood Friend |
| HHarold BursztajnSelf - Forensic Psychiatrist, Harvard Medical School | Self - Forensic Psychiatrist, Harvard Medical School |
| IIrene SchulerSelf - Daniel's Mother | Self - Daniel's Mother |
| JJoseph SchulerSelf - Daniel's Father | Self - Daniel's Father |
| SSue TroccoliSelf – Diane's Coworker | Self – Diane's Coworker |
| NNoreen SmythSelf - Diane's Friend | Self - Diane's Friend |
 Oprah WinfreySelf (archive footage) | Self (archive footage) |
