Prince Florizel of Bohemia discovers a secret club where desperate men gamble with their lives, and vows to bring it to an end.
| Actor | Role |
|---|---|
 Alan DobiePrince Florizel | Prince Florizel |
 Bernard ArchardThe President | The President |
 Hildegard NeilThe Woman in Black | The Woman in Black |
 David CollingsJames Morris | James Morris |
| EEric WoofeColonel Geraldyne | Colonel Geraldyne |
 Ronald AdamSir Montague Malthus | Sir Montague Malthus |
| JJonathan NewthLt. Brackenbury Rich | Lt. Brackenbury Rich |
| RRoger BoothMajor O'Rooke | Major O'Rooke |
| MMichael HallMataschek | Mataschek |
| CClyde PollittBodysnatcher | Bodysnatcher |
| IIvor DanversCroupier | Croupier |
| AAlan HayBar Pianist | Bar Pianist |
| TTerence ConoleyClub Member (uncredited) | Club Member (uncredited) |