Purple Secret - In Search of Royal Madness
- Episode aired Jul 6, 1998
Veronika Hyks
- Self - Narrator
- (voice)
Daisy Dunlop
- Additional Voices
- (voice)
- (as Daisy Guard)
Giles st Aubyn
- Self - Biographer, Queen VIctoria
- (as The Hon Giles st Aubyn)
Timothy Cox
- Self - Inherited Diseases Specialist, Addenbrooke's Hospital, Cambridge
- (as Prof Timothy Cox)
David Hunt
- Self - Dept of Molecular Genetics, University College London
- (as Prof David Hunt)
Roy Porter
- Self - Medical Historian, The Wellcome Institute
- (as Prof Roy Porter)
John Rohl
- Self - Dept of History, Sussex University
- (as Prof John Röhl)
Martin Warren
- Self - Dept of Molecular Genetics, University College London
- (as Dr Martin Warren)
