Unhappily married to Sir Robert Grimwood, an older man whose only passion is chess, Lady Marion finds solace in the arrival of her old suitor, John Heritage.
| Actor | Role |
|---|---|
 Dorothy DaltonLady Marion Grimwood | Lady Marion Grimwood |
 Warren CookSir Robert Grimwood | Sir Robert Grimwood |
| HHenry MortimerJohn Heritage | John Heritage |
 Richard NeillLord Waverly | Lord Waverly |
| PPaul CazeneuveLing Foo | Ling Foo |
| TTom CameronNind | Nind |
| SS. BarrettInspector Marsh | Inspector Marsh |
| WWilliam A. WilliamsDr. Larner | Dr. Larner |