A married man having an affair visits a friend to establish an alibi for a rendezvous with his girlfriend. His friend is murdered the same night and he is accused of the crime.
| Actor | Role |
|---|---|
 Honor BlackmanLynn Pearson | Lynn Pearson |
 Patrick HoltPaul Pearson | Paul Pearson |
| Patrick HoltInspector Keyes | Inspector Keyes |
 Naomi ChanceDiana | Diana |
 Lloyd LambleStephen Waller | Stephen Waller |
 Andrew KeirMr. Beamster | Mr. Beamster |
 Viola LyelMrs. Winnie Beamster | Mrs. Winnie Beamster |
 Bryan ColemanBill Forrest | Bill Forrest |
 Frederick PiperHenry Beamster | Henry Beamster |
| TToby WinterbottomBobby Pearson | Bobby Pearson |
| MMadoline ThomasLynn's Mother | Lynn's Mother |
 Jeanette HutchinsonSecretary | Secretary |
| EEdgar WrefordPrison Chaplain | Prison Chaplain |
| VVincent LawsonCoroner | Coroner |