 Logan MarkusNathan Carman | Nathan Carman |
| KKeli SolomonLinda Carman | Linda Carman |
| GGeorge Banghart Jr.Counselor | Counselor |
| NNathan CarmanSelf (archive footage) | Self (archive footage) |
| LLinda CarmanSelf - Nathan's Mother (archive footage) | Self - Nathan's Mother (archive footage) |
| EEvan LubofskySelf - Journalist, Wired | Self - Journalist, Wired |
| EEric GemppSelf - Coast Guard Investigator | Self - Coast Guard Investigator |
| AAlfred BuccoSelf - Deputy Chief, South Kingstown PD (RI) | Self - Deputy Chief, South Kingstown PD (RI) |
| MMark FrancisSelf - Lieutenant (Ret.), Windsor PD (CT) | Self - Lieutenant (Ret.), Windsor PD (CT) |
| SScott MacGregorSelf - Detective, Windsor PD (CT) | Self - Detective, Windsor PD (CT) |
| LLisa TuttySelf - FBI Agent (Ret.) | Self - FBI Agent (Ret.) |
| EElizabeth KelleySelf - Autism Specialist Attorney | Self - Autism Specialist Attorney |
| DDavid SullivanSelf - Nathan's Defense Attorney | Self - Nathan's Defense Attorney |
| MMartin MinnellaSelf - Nathan's Defense Attorney | Self - Nathan's Defense Attorney |
| LLiam O'ConnellSelf - Maritime Investigator | Self - Maritime Investigator |
| MMike SarrailleSelf - Navy SEAL (Ret.) / Expert Witness | Self - Navy SEAL (Ret.) / Expert Witness |
| JJohn Elder RobisonSelf - Defense Autism Expert | Self - Defense Autism Expert |
