They do it with Mirrors (BBC Radio 4 adaptation)

They do it with Mirrors is the eleventh of a series of radio plays starring June Whitfield as Miss Marple. It was first broadcast by BBC Radio 4 in 2001 and is an adaptation of the Agatha Christie novel of the same name.

Synopsis
Miss Marple is invited to stay with her old school friend, Carrie at Stonygates - a Victorian mansion doubling as a rehabilitation centre for delinquents.

As she mulls over Carrie's life history on the train journey, just what is the danger that the sleuth is sensing?

Cast

 * June Whitfield as Jane Marple
 * Ursula Howells as Carrie Louise
 * Keith Barron as Inspector Curry
 * Rebecca Lacey as Gina Hudd
 * Natasha Pyne as Mildred Strete
 * Nick Waring as Alexis Restarick
 * Stephen Lucas as Walter Hudd
 * Rhys Meredith as Edgar Lawson
 * Daniel Philpott as Stephen Restarick
 * Peter Howell as Lewis Serrocold
 * Jill Balcon as Ruth Van Rydock
 * Paula Jacobs as Juliet Bellever
 * Stephen Thorne as Christian Guldbrandsen