| JJohn PenycateSelf - Narrator | Self - Narrator |
| LLudis BirssSelf - Ex-Scientologist | Self - Ex-Scientologist |
| HHarold ClarkeNot listed | Not listed |
| MMary ClarkeNot listed | Not listed |
| JJeff DubronSelf - Ex-Scientologist | Self - Ex-Scientologist |
| FFranklin FreedmenSelf - Ex-Scientologist | Self - Ex-Scientologist |
| DDoreen GillhamSelf - Former Commodore's Messenger | Self - Former Commodore's Messenger |
| TThea GreenbergSelf - Ex-Scientologist | Self - Ex-Scientologist |
| KKen HodenSelf - Church of Scientology (as Rev Ken Hoden) | Self - Church of Scientology (as Rev Ken Hoden) |
 L. Ron HubbardSelf | Self |
| HHeber JentzschSelf - President, Church of Scientology International (as Rev Heber Jentzsch) | Self - President, Church of Scientology International (as Rev Heber Jentzsch) |
| DDon LarsonSelf - Former Scientology Finance Police | Self - Former Scientology Finance Police |
| LLawrence LevySelf - Class Action Lawyer | Self - Class Action Lawyer |
| SScott MayerSelf - Former Scientology Intelligence Agent | Self - Former Scientology Intelligence Agent |
| FFrank NotaroSelf - Ex-Scientologist | Self - Ex-Scientologist |
| DDede ReisdorfSelf - Former Commodore's Messenger | Self - Former Commodore's Messenger |
| VValerie StansfieldSelf - Ex-Scientologist | Self - Ex-Scientologist |
 John TravoltaSelf | Self |
| CCyril VosperSelf | Self |
| LLouis Jolyon WestSelf - Director, Neuropsychiatric Institute, UCLA (as Dr Louis Jolyon West) | Self - Director, Neuropsychiatric Institute, UCLA (as Dr Louis Jolyon West) |
| HHana WhitfieldSelf - Former Sea Org Officer | Self - Former Sea Org Officer |
| JJerry WhitfieldSelf - Former Narconon Staff Member | Self - Former Narconon Staff Member |