First broadcast 30th October 1993.

When a schoolgirl is found murdered at a Hallowe'en party, Ariadne Oliver sends for her old friend Hercule Poirot.

Hercule Poirot: John Moffatt
Ariadne Oliver: Stephanie Cole
Judith Butler: Alexandra Bastedo
Miranda Butler: Sian Jenkins
Rowena Drake: June Barry
Michael Garfield: Gareth Armstrong
Spence: James Taylor
Elspeth: Auriol Smith
Miss Whittaker: Amanda Murray
Miss Emlyn: Petra Davies
Mrs Leaman: Paula Jacobs
Mrs Goodbody: Lala Lloyd
Mrs Minden: Katherine Parr
Fullerton: Colin Pinney
Mrs Reynolds: Rachel Atkins
Leopold Reynolds: Sam Crane
Joyce Reynolds: Sophia Nemeth
Ann Reynolds: Vivienne Rochester
Nicholas: Nicholas Boulton
Desmond: Peter Kenny

Dramatist: Michael Bakewell
Director: Enyd Williams