Third Girl

After a seemingly neurotic young heiress tells Ariadne Oliver and Hercule Poirot that she thinks she may have killed someone, her ex-nanny is found with her wrists slashed.

Crime Drama Mystery Thriller TV Movie

David Suchet

(Hercule Poirot)

Zoë Wanamaker

(Ariadne Oliver)

David Yelland

(George)

Jemima Rooper

(Norma Restarick)

Matilda Sturridge

(Frances Cary)

Clemency Burton-Hill

(Claudia Reece-Holland)

James Wilby

(Andrew Restarick)

Peter Bowles

(Sir Roderick Horsfield)

Lucy Liemann

(Sonia Benson)

Tom Mison

(David Baker)

John Warnaby

(Inspector Nelson)

Haydn Gwynne

(Miss Battersby)

Caroline O'Neill

(Nanny Lavinia Seagram)

Tim Stern

(Alf Renny)

Simon Hill

(Bus Ticket Inspector)

Ysobel Gonzalez

(Nurse)

Sean Kingsley

(Policeman)

Jade Longley

(Young Norma Restarick)

Juliet Howland

(Mary Restarick)

Tessa Bell-Briggs

(Daphne the Waitress)