| DDavid ScottNarrator (voice) | Narrator (voice) |
| RR.K. Montgomery Jr.Tom Capano | Tom Capano |
| MMatthew LavinGerry Capano | Gerry Capano |
| RRachel NordAnne Marie Fahey | Anne Marie Fahey |
| LLynda RyanDebbie MacIntyre | Debbie MacIntyre |
| RRobert DonovanSelf - Detective Sergeant, Wilmington PD (DE) | Self - Detective Sergeant, Wilmington PD (DE) |
| CCris BarrishSelf - Author, 'Fatal Embrace' | Self - Author, 'Fatal Embrace' |
| CColm F. ConnollySelf - Asst US Attorney | Self - Asst US Attorney |
| EEric AlpertSelf - Special Agent, FBI, Wilmington (DE) | Self - Special Agent, FBI, Wilmington (DE) |
 Tom CapanoSelf (archive footage) | Self (archive footage) |
| AAnne Marie FaheySelf - Tom's Mistress / Murder Victim (archive footage) | Self - Tom's Mistress / Murder Victim (archive footage) |
| GGerry CapanoSelf - Tom's Brother (archive footage) | Self - Tom's Brother (archive footage) |
| LLouis CapanoSelf - Tom's Brother (archive footage) | Self - Tom's Brother (archive footage) |
| DDebbie MacIntyreSelf - Tom's Mistress (archive footage) | Self - Tom's Mistress (archive footage) |