A chemist is left unhinged following a laboratory explosion and begins to plot a murder.
| Actor | Role |
|---|---|
| FFrank FoxTony Gordon | Tony Gordon |
 Evelyn AnkersMolly Frame | Molly Frame |
 Frank AllenbyPeter Frame | Peter Frame |
 A. Bromley DavenportGeorge Gaunt | George Gaunt |
 Marjorie FieldingMrs Gaunt | Mrs Gaunt |
 Joan HicksonEllen | Ellen |