Ash has seen this movie.
In the West End of 1950s London, plans for a movie version of a smash-hit play come to an abrupt halt after a pivotal member of the crew is murdered. When world-weary Inspector Stoppard and eager rookie Constable Stalker take on the case, the two find themselves thrown into a puzzling whodunit within the glamorously sordid theater underground, investigating the mysterious homicide at their own peril.
| Inspector Stoppard | Sam Rockwell |
| Constable Stalker | Saoirse Ronan |
| Leo Köpernick | Adrien Brody |
| Petula Spencer | Ruth Wilson |
| John Woolf | Reece Shearsmith |
| Richard Attenborough | Harris Dickinson |
| Dennis Corrigan | Charlie Cooper |
| Mervyn Cocker-Norris | David Oyelowo |
| Harley the Motorcycle Messenger | Kieran Hodgson |
| Sheila Sim | Pearl Chanda |
| Major Metcalf | Gregory Cox |
| Mrs. Boyle | Maggie McCarthy |
| Trumpet | Oliver Jackson |
| Double Bass | Tomi Ogbaro |
| Edana Romney | Sian Clifford |
| Gio | Jacob Fortune-Lloyd |
| Mother | Ania Marson |
| Commissioner Harrold Scott | Tim Key |
| Pierre | Philip Desmeules |
| Joyce | Laura Morgan |
| Ann Saville | Pippa Bennett-Warner |
| Sgt Bakewell | Angus Wright |
| Agatha Christie | Shirley Henderson |
| Fellowes | Paul Chahidi |
| Max Mallowan | Lucian Msamati |
| Mr. Lyon | Tolu Ogunmefun |
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