| Person | Type | Job | Role(s) |
|---|---|---|---|
 Clare Lewins | Crew | Directing | Director, Producer |
 Agatha Christie | Cast | Actress | Self - Writer (archive footage) |
 David Suchet | Cast | Actor | Self - Host / Narrator (voice) |
 Bettany Hughes | Cast | Actress | Self - Historian |
 Mathew Prichard | Cast | Actor | Self |
Ali Marshall | Cast | Self - Christie's Potent Plants | |
Barbara Nadel | Cast | Self - Author | |
Elaine Kidwell | Cast | Self - Christie's Fan | |
Janet Morgan | Cast | Self - Biographer | |
John Curran | Cast | Actor | Self - Author |
 Laura Thompson | Cast | Actress | Self - Biographer |
Rosalind Christie | Cast | Self - Christie's Daughter (archive footage) | |
Tom Adams | Cast | Self - Artist | |
| Person | Type | Job | Role(s) |
