A visiting American engages in a bold business promotion, the likes of which the British have not seen.
| Actor | Role |
|---|---|
 Edward G. RobinsonDan Armstrong | Dan Armstrong |
 Luli DesteLady Patricia 'Pat' Graham | Lady Patricia 'Pat' Graham |
 Nigel BruceDuke Of Glenavon | Duke Of Glenavon |
 Constance CollierDuchess Of Glenavon | Duchess Of Glenavon |
 Ralph RichardsonHenry V. Manningdale | Henry V. Manningdale |
 Arthur WontnerSir Peter | Sir Peter |
| AAnnie EsmondLady Challoner | Lady Challoner |
 Cyril RaymondJames | James |
 Elizabeth InglisDolly | Dolly |
 James CarewSnyderling | Snyderling |
 Everley GreggMillie | Millie |
 Donald CalthropDr. Plumet | Dr. Plumet |