After a chance train encounter with Laurence Knight, Tom Blake's family's fortunes prosper on the beneficence of the great financier. A developing friendship leads to the Knights selling their home to the Blakes when they move back to London. All looks rosy for the Blakes as share prices in Mr Knight's new business venture soar, but is their confidence misplaced?
| Actor | Role |
|---|---|
 Mervyn JohnsTom Blake | Tom Blake |
 Nora SwinburneCelia Blake | Celia Blake |
 Joyce HowardFreda Blake | Freda Blake |
 Joan GreenwoodRuth Blake | Ruth Blake |
 Peter HammondDouglas Blake | Douglas Blake |
 Marie AultGrandma Blake | Grandma Blake |
| FFrederick CooperEdward Blake | Edward Blake |
 Grace ArnoldIsabel Blake | Isabel Blake |
 Alfred DraytonMr. Lawrence Knight | Mr. Lawrence Knight |
| OOlive SloaneMrs. Maudie Knight | Mrs. Maudie Knight |
 Joan MaudeCarrie Porritt | Carrie Porritt |
 Kenneth KoveCoggie Selby | Coggie Selby |
 Frederick BurtwellMr. Berry | Mr. Berry |
| WWinifred OughtonMrs. Greene | Mrs. Greene |
| TTarva PennaMr. Greene | Mr. Greene |
 Patric CurwenMr. Porter | Mr. Porter |
 Muriel AkedLady Gilling | Lady Gilling |
| AAnthony HollesStation Master | Station Master |
| GGordon BeggSims | Sims |
 Ian FlemingHiggs | Higgs |
 Sheila RaynorAgnes | Agnes |
| PPat StevensMiss Berry | Miss Berry |
| DDoyley JohnBobby Hewett | Bobby Hewett |