A young Scotland Yard police academy recruit tries to break up a gang of thieves.
| Actor | Role |
|---|---|
 Esmond KnightPete Borden | Pete Borden |
 Lilli PalmerNatacha | Natacha |
 Cecil ParkerAssistant Commissioner | Assistant Commissioner |
 George MerrittDetective Inspector Cardby | Detective Inspector Cardby |
| RRichard GreyDetective Inspector Hall | Detective Inspector Hall |
 Raymond LovellDelaney | Delaney |
| GGraham SouttenClancy (as Ben Soutten) | Clancy (as Ben Soutten) |
 Peter GawthorneA.D. Newall | A.D. Newall |
 Wyndham GoldieConway Addison | Conway Addison |
 Jane MillicanLady Sybil | Lady Sybil |
 Stella ArbeninaLady Mead | Lady Mead |
| BBellenden ClarkeLord Mead | Lord Mead |
 Sara AllgoodJewel Thief | Jewel Thief |
 Wally PatchAndrew Purvis | Andrew Purvis |