A man watching a musical show at the Windmill theatre is shot apparently from the stage. The cast continues the performance so that the detective can solve the murder.
| Actor | Role |
|---|---|
 Garry MarshInspector Matthews | Inspector Matthews |
 Jon PertweePolice Sergeant | Police Sergeant |
 Jack LiveseyVivian Van Damm | Vivian Van Damm |
 Eliot MakehamGimpy | Gimpy |
 Jimmy EdwardsJimmy Edwards | Jimmy Edwards |
| DDonald CliveDonald Clive | Donald Clive |
 Peter ButterworthPoliceman | Policeman |
 Constance SmithCloakroom Girl | Cloakroom Girl |
| PPamela DeemingPamela | Pamela |
 Diana DeckerFrankie | Frankie |