An ambitious girl who wants to be a cabaret star poses as "Zaza", a French chanteuse, to get a job in a prestigious nightclub. Unfortunately, she finds herself in the middle of a dispute between Mike Kelly, the club's Chicago-born owner, and a group of American gangsters bent on taking over the club. To put pressure on Kelly, the gangsters kidnap "Zaza".
| Actor | Role |
|---|---|
 Cicely CourtneidgeSally Bird / Mademoiselle Zaza | Sally Bird / Mademoiselle Zaza |
 Sam HardyMichael 'King' Kelly | Michael 'King' Kelly |
 Phyllis ClareQueenie Mills | Queenie Mills |
 Billy MiltonBilly | Billy |
 Hartley Power'Gloves' Clark | 'Gloves' Clark |
 Ben WeldenCasino | Casino |
| EEnrico NaldiLittle Joe | Little Joe |
| AAnna HopeJoan | Joan |
| IIvor McLarenMadison | Madison |
 Rex EvansPercy | Percy |
| TTubby CipinTubby | Tubby |
| LLeslie HolmesNight Club Singer | Night Club Singer |
| DDebroy SomersBandleader | Bandleader |
| CCarlyle CousinsNight Club Act | Night Club Act |
 Gilbert RussellNot listed | Not listed |