Scotland Yard cop goes undercover to nab counterfeiter and his gang.
| Actor | Role |
|---|---|
 John SuttonJeff MacAllister | Jeff MacAllister |
 Doris MerrickMargo Talbot | Margo Talbot |
 Hugh BeaumontPhilip Drake | Philip Drake |
 Lon Chaney Jr.Louie Struber | Louie Struber |
 George O'HanlonFrankie Dodge | Frankie Dodge |
 Robert KentTony Richards | Tony Richards |
 Herbert RawlinsonNorman Talbot | Norman Talbot |
 Pierre WatkinCarter | Carter |
 Don C. HarveyDan Taggart | Dan Taggart |
| FFred CobyPiper | Piper |
 Joi LansingCaroline | Caroline |
 Scott BradyJerry McGee | Jerry McGee |