- Veronika Hyks - Herself
- Nicky Campbell - Himself - Presenter: New York
- David Dimbleby - Himself - Presenter
- John Sweeney - Himself - Presenter
- L. Ron Hubbard - Himself - Founder, Church of Scientology (archive footage)
- John Travolta - Himself (archive footage)
- Kirstie Alley - Herself (archive footage)
- David Miscavige - Himself - Leader, Church of Scientology (archive footage)
- Ghislaine Maxwell - Self
- Chauntae Davies - Self
- Prince Andrew, Duke of York - Self (archive footage)
- Jeffrey Epstein - Self (archive footage)
- Kim Jong-un - Self (archive footage)
- Donald Trump - Self (archive footage)
- Melania Trump - Self (archive footage)
- Harvey Weinstein - Self (archive footage)
- Theresa May - Self (archive footage)
- Diana, Princess of Wales - Self
- Martin Bashir - Self
- Ellie Flynn - reporter
- Bronagh Munro - reporter
- Justin Rowlatt - reporter
- Jane Corbin - reporter
- Jane Corbin - Narrator
- Najibullah Quraishi - reporter
- Victoria Derbyshire - reporter
- Mariella Frostrup - reporter
- Mobeen Azhar - reporter
- Joe Crowley - reporter
- Clive Myrie - reporter
- Clive Myrie - Self - Reporter
- Darragh MacIntyre - reporter
- Malcolm Muggeridge - Self - Interviewer
- Malcolm Muggeridge - Self - Reporter
- Jason Beghe - Self
- Marty Rathbun - Self
- Gavin Hewitt - Narrator
- Juliet Rylance - Narrator (voice)
Kirstie Alley interpreta a Herself (archive footage) en la serie.
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