A clerk in a law office investigates a murder, and finds that nearly all her colleagues at work have a motive.
| Actor | Role |
|---|---|
 Rosamund JohnJane Hamish | Jane Hamish |
 Derrick De MarneyDagobert Brown | Dagobert Brown |
 Mary JerroldMrs. Robjohn | Mrs. Robjohn |
 Felix AylmerMr. Playfair | Mr. Playfair |
| JJoyce HeronRosemary Proctor | Rosemary Proctor |
 Jack AllenMaj. Stewart | Maj. Stewart |
 Henryetta EdwardsSarah Swinburne | Sarah Swinburne |
 Harry FowlerAlbert Oates | Albert Oates |
 John BentleyDouglas Robjohn | Douglas Robjohn |
 Beatrice VarleyMrs. Hawthorne | Mrs. Hawthorne |