| NNigel AnthonyNarrator | Narrator |
 L. Ron HubbardSelf (archival footage) | Self (archival footage) |
 Forrest J. AckermanSelf - Ron Hubbard's Literary Agent | Self - Ron Hubbard's Literary Agent |
| GGerry ArmstrongSelf - Ron Hubbard's Household Manager | Self - Ron Hubbard's Household Manager |
| GGabriel CazaresSelf - Former Mayor of Clearwater | Self - Former Mayor of Clearwater |
| JJean CoxSelf - Writer | Self - Writer |
| JJim DincalciSelf - Ron Hubbard's Medical Officer | Self - Ron Hubbard's Medical Officer |
| VVirginia DownsboroughSelf - Ron Hubbard's Personal Assistant | Self - Ron Hubbard's Personal Assistant |
| MMike GoldsteinSelf - Ron Hubbard's Finance Controller | Self - Ron Hubbard's Finance Controller |
| BBarbara KayeSelf | Self |
| PPam KempSelf - Friend and ex-Scientologist | Self - Friend and ex-Scientologist |
| RRaymond KempSelf - Friend and ex-Scientologist | Self - Friend and ex-Scientologist |
| CCyril VosperSelf - Ron Hubbard's Staff | Self - Ron Hubbard's Staff |
| HHana WhitfieldSelf - Ron Hubbard's Deputy at Sea (as Hana Eltringham) | Self - Ron Hubbard's Deputy at Sea (as Hana Eltringham) |
| RRobert Vaughn YoungSelf - Ron Hubbard's Press Officer | Self - Ron Hubbard's Press Officer |