"After a chance meeting and an indiscreet conversation, childhood friends Tommy Beresford and Tuppence Cowley become involved in a convoluted intrigue led by a mysterious man known simply as Mr. Brown."
Francesca Annis
as Tuppence
James Warwick
as Tommy
Gavan O'Herlihy
as Julius P. Hersheimmer
Alec McCowen
as Sir James Peel Edgerton
Honor Blackman
as Rita Vandemeyer
Peter Barkworth
as Mr. Carter
Toria Fuller
as Jane Finn
John Fraser
as Kramenin
George Baker
as Whittington
Donald Houston
as Boris
Joseph Brady
as Dr. Hall
Wolf Kahler
as The German
Reece Dinsdale
as Albert
Peter Lovstrom
as Henry
Matthew Scurfield
as Conrad
Holly Watson
as Child on Beach
Phyllida Hewat
as Woman in Tea Shop
James Walker
as First Clerk
Mike Elles
as Second Clerk
Gabrielle Blunt
as Annie
Norman Hartley
as Florist
Roger Ostime
as Ritz Receptionist
Nicholas Geake
as Watson
Simon Watkins
as Man at Astley Priors
Steve Fletcher
as Messenger Boy
Tony Wharmby
Director
Agatha Christie
Novel
Bill Challoner
Second Assistant Director
Corinne Rodriguez
Casting
Reg Mills
Sound Recordist
John Tribe
Graphic Designer
Brian Kelly
Location Manager
John Quilty
First Assistant Director
James Dillon
Production Design
Geoff Harrison
Camera Operator
Penny Lowe
Costume Designer
Graeme Perry
Third Assistant Director
Mike Humphreys
Director of Photography
Peter Bloxham
Property Buyer
Bryan Bagge
Ron Fry
Associate Producer
Lynda Ostermeyer
Production Assistant
Philip Chambers
Stage Director
Jack Williams
Producer
Joseph Horovitz
Original Music Composer
Pauline Boulton
Makeup Supervisor
Dennis Rogers
Grip
Pat Sandys
Screenplay
Ray Helm
Editor
Peter McKay
Production Manager
Joe Spence
Gaffer
Charlie McFadden
Boom Operator
Continuity
Tony Cridlin