The sinister Dr. Watt has an evil scheme going—he's kidnapping beautiful young women and turning them into mannequins to sell to local stores. Fortunately for him, Detective Sergeant Bung is on the case, and he doesn't have a clue!
| Actor | Role |
|---|---|
 Harry H. CorbettDetective Sergeant Sidney Bung | Detective Sergeant Sidney Bung |
 Kenneth WilliamsDr. Olando Watt | Dr. Olando Watt |
 Jim DaleAlbert Potter | Albert Potter |
 Charles HawtreyDan Dann | Dan Dann |
| FFenella FieldingValeria Watt | Valeria Watt |
 Joan SimsEmily Bung | Emily Bung |
 Angela DouglasDoris Mann | Doris Mann |
 Bernard BresslawSockett | Sockett |
 Peter ButterworthDetective Constable Slobotham | Detective Constable Slobotham |
 Jon PertweeDr. Fettle | Dr. Fettle |
 Michael WardMr. Vivian | Mr. Vivian |
 Tom CleggOdbodd | Odbodd |
| BBilly CorneliusOdbodd Junior | Odbodd Junior |
 Norman MitchellCabby | Cabby |
 Frank ThorntonMr. Jones | Mr. Jones |
 Frank ForsythDesk Sergeant | Desk Sergeant |
| AAnthony SagarPoliceman | Policeman |
| SSally DouglasVictim | Victim |
 Marianne StoneMrs. Parker | Mrs. Parker |
| DDenis BlakeRubbatiti | Rubbatiti |
 Gerald ThomasOdbodd Junior (voice) (uncredited) | Odbodd Junior (voice) (uncredited) |
| RRobert VosslerPolice Constable (uncredited) | Police Constable (uncredited) |