When Susie Long appears, together with her 20 year old son, Pink and Pound are thrown into confusion that one of them could be his father.
| Actor | Role |
|---|---|
 Robertson HareWilloughby Pink | Willoughby Pink |
 Alfred DraytonDigby Pound | Digby Pound |
| IIsabel JeansSue Long | Sue Long |
 Nova PilbeamCora Pound | Cora Pound |
 Adele DixonMrs. Ellie Pound | Mrs. Ellie Pound |
| VValentine DunnMrs. Pink | Mrs. Pink |
 Stewart RomeSir Ramsey Flight | Sir Ramsey Flight |
 John StuartChief Police Officer Staples | Chief Police Officer Staples |