England, December 1926. Although her personal life is in tatters, the famous writer Agatha Christie decides to leave everything behind to help unravel an unsolved murder committed on a train six years ago, unable to imagine the disproportionate consequences that such a selfless act will cause.
Ruth Bradley
Agatha
Pippa Haywood
Mabel
Dean Andrews
Wade
Bebe Cave
Daphne
Blake Harrison
Travis
Tim McInnerny
Randolph
Luke Pierre
Zaki
Joshua Silver
Franklin
