There are two clubs in London called Moons; one in Mayfair and one in Soho. Mary Dorland is singing at the cheap one, but her father, who does not approve of her singing career, believes she is performing at the Society one...
| Actor | Role |
|---|---|
 Sally GrayMary Dorland | Mary Dorland |
 Billy MiltonJimmy Hanson | Jimmy Hanson |
| JJohn WattJohn Watt | John Watt |
 Betty LynneAnn | Ann |
 Edward AshleyDuke O'Brien | Duke O'Brien |
| JJulian VedeyMonty | Monty |
 Charles CarsonMr. Dorland | Mr. Dorland |
 Mary JerroldMrs. Dorland | Mrs. Dorland |
| GGerry FitzgeraldGerry Fitzgerald | Gerry Fitzgerald |
| RReg BoltonReg Bolton | Reg Bolton |
 Webster BoothWebster Booth | Webster Booth |
| SSydney KyteSydney Kyte - Orchestra Leader | Sydney Kyte - Orchestra Leader |
| JJohn ReyndersJohn Reynders - Orchestra Leader | John Reynders - Orchestra Leader |
| BBilly ReidBilly Reid - Orchestra Leader | Billy Reid - Orchestra Leader |
| SStradStrad - Group Leader | Strad - Group Leader |
| AAlvin ConwayMinor Role | Minor Role |
| SStuart DouglassMinor Role | Minor Role |
 John TurnbullMinor Role | Minor Role |