An old man dies. When his housekeeper returns some unused tablets to the chemist, suspicion clouds the issue. Dr. Hardy is brought in to conduct various tests and he questions the principals in the case.
Robert Barr
Writer
Shaun O'Riordan
Director
Marius Goring
Dr John Hardy
Ann Morrish
Dr Jo Hardy
Victor Winding
Det. Chief Insp. Fleming
Michael Farnsworth
Det. Sgt. Ashe
Liane Aukin
Emily Stafford
Reginald Barratt
Parson
Lewis Fiander
Dr Gardner
Ewan Hooper
John Stafford
Beatrice Kane
Mrs Stafford
Jennie Paul
Mrs Yarrow
Norman Scace
Dr Lowther
Peter Swanwick
Chemist
Brian Oulton
Coroner