The Mad Morgans are a family song and dance act touring the British Music Halls. Young Davy is the star of the act but should he stay with his family or strike out on his own ? The last comedy to be produced at Ealing Studios.
| Actor | Role |
|---|---|
 Harry SecombeDavy Morgan | Davy Morgan |
 Alexander KnoxSir Giles Manning | Sir Giles Manning |
 Bill OwenEric | Eric |
 Joan SimsTea Lady | Tea Lady |
 Kenneth ConnorHerbie | Herbie |
 Liz FraserTea Lady | Tea Lady |
 Bernard CribbinsStage Hand (uncredited) | Stage Hand (uncredited) |
 Ron RandellGeorge | George |
 George RelphUncle Pat | Uncle Pat |
 Susan ShawGwen | Gwen |
 Peter FramptonTim | Tim |
| AAdele LeighJoanna | Joanna |
 Isabel DeanMiss Carstairs | Miss Carstairs |
 Gladys HensonWaitress | Waitress |
| CCharles LambHenry | Henry |
 Arnold MarléWinkler | Winkler |
 George MoonJerry | Jerry |
 Campbell SingerStage Doorkeeper | Stage Doorkeeper |
 Bill FraserMan at Bar (uncredited) | Man at Bar (uncredited) |
 Ron MoodyThe Unicyclist (uncredited) | The Unicyclist (uncredited) |