Directed by
| Harry Hughes | ||
Writing Credits (in alphabetical order)
| Jack Celestin | ... | (play) |
| Jack DeLeon | ... | (play) |
| Harry Hughes | ... | (writer) |
| Victor Kendall | ... | (writer) |
Cast (in credits order)
| Francis L. Sullivan | ... | Power | |
| Antoinette Cellier | ... | Helen Vane | |
| Leslie Perrins | ... | Inspector Lloyd | |
 |
Derek Gorst | ... | Frank Rider |
| Jerry Verno | ... | Potts | |
| Aubrey Mallalieu | ... | Sir James Rider | |
|
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Sydney King | ... | Mortimer (as Sidney King) |
|
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Laura Wright | ... | Mrs. Mullins |
| Rest of cast listed alphabetically: | |||
|
|
Vernon Harris | ... | (uncredited) |
|
|
Charles Howard | ... | (uncredited) |
|
|
Richard Littledale | ... | (uncredited) |
|
|
J. Neil More | ... | (uncredited) |
|
|
Ben Williams | ... | (uncredited) |
Produced by
| Warwick Ward | ... | producer |
Cinematography by
| Bryan Langley | ||
| Ernest Palmer | ... | (as H.E. Palmer) |
Editing by
| A.R. Gobbett | ||
