 Paul HaggisSelf - Interviewee | Self - Interviewee |
 Jason BegheSelf - Interviewee | Self - Interviewee |
 Alex GibneyNarrator (voice) | Narrator (voice) |
 Lawrence WrightSelf - Interviewee | Self - Interviewee |
 Sherry StringfieldSara Northrup (voice) | Sara Northrup (voice) |
 Katie HolmesSelf (archive footage) | Self (archive footage) |
 Nancy CartwrightSelf (archive footage) | Self (archive footage) |
 Kirstie AlleySelf (archive footage) | Self (archive footage) |
 Karen BlackSelf (archive footage) | Self (archive footage) |
 Jenna ElfmanSelf (archive footage) | Self (archive footage) |
 Isaac HayesSelf (archive footage) | Self (archive footage) |
 Kelly PrestonSelf (archive footage) | Self (archive footage) |
 Mimi RogersSelf (archive footage) | Self (archive footage) |
 Anne ArcherSelf (archive footage) | Self (archive footage) |
 L. Ron HubbardSelf (archive footage) | Self (archive footage) |
 David MiscavigeSelf (archive footage) | Self (archive footage) |
| SSpanky TaylorSelf | Self |
 Marjorie CameronSelf (archive footage) | Self (archive footage) |
| MMike RinderSelf | Self |
| TTony OrtegaSelf | Self |
| AAntony A. PhillipsSelf (archive footage) | Self (archive footage) |
 Nazanin BoniadiSelf (archive footage) | Self (archive footage) |
| MMarty RathbunSelf | Self |
