The Ringer
An underhand solicitor receives threatening notes, and the police are called in to protect him.
| Actor | Role |
|---|---|
 Herbert LomMaurice Meister | Maurice Meister |
 Donald WolfitDr. Lomond | Dr. Lomond |
 Mai ZetterlingLisa | Lisa |
 Greta GyntCora Ann Milton | Cora Ann Milton |
 William HartnellSam Hackett | Sam Hackett |
 Norman WoolandInspector Bliss | Inspector Bliss |
 Denholm ElliottJohn Lemley | John Lemley |
 Walter FitzgeraldCommissioner | Commissioner |
 Dora BryanMrs. Hackett | Mrs. Hackett |
 Campbell SingerStation Sergeant Carter | Station Sergeant Carter |
 Charles VictorInspector Wembury | Inspector Wembury |
 John StuartGardener | Gardener |
 John SlaterBell | Bell |
 Edward ChapmanStranger | Stranger |