Rule of Three

Rule of Three is a 1962 performance at the Duchess Theatre, consisting of three one act plays written by Agatha Christie. The director was Hubert Gregg. The performance was also broadcast on television.

Summary
This triple bill of one act murder mysteries combines:
 * The light hearted comedy Afternoon at the Seaside, in which a detective attempts to find a priceless emerald necklace and the culprit who stole it.
 * The Rats, a dark and chilling tale in which a pair of adulterous lovers find themselves lured to a flat, trapped like rats and framed for murder.
 * The Patient, a tense thriller in which a woman has been hospitalised after seemingly falling from her balcony.

1962 cast, and their roles in Afternoon at the Seaside

 * David Langton as Bob Wheeler
 * Betty McDowall as Noreen Somers
 * Michael Beint as Arthur Somers
 * Robert Raglan as George Crum
 * Mabelle George as Mrs Crum
 * Vera Cook as A mother
 * John Quayle as A young man
 * John Abineri as Beach attendant
 * Margot Boyd as Mrs Gunner
 * Raymond Bowers as Percy Gunner
 * Mercy Haystead as The beauty
 * Robin May as Inspector Foley