Cast
Hugh O'Brian
Hugh Lombard
Shirley Eaton
Ann Clyde
Fabian
Mike Raven
Leo Genn
General Mandrake
Stanley Holloway
Det. William Henry Blore
Wilfrid Hyde-White
Judge Arthur Cannon
Daliah Lavi
Ilona Bergen
Dennis Price
Dr. Edward Armstrong
Marianne Hoppe
Elsa Grohmann
Mario Adorf
Joseph Grohmann
Bill Mitchell
Narrator (voice)
Christopher Lee
Mr. U.N. Owen (voice)
Crew
Agatha Christie
Writing
Harry Alan Towers
Production
Harry Alan Towers
Writing
George Pollock
Directing
DN
Dudley Nichols
Writing
ML
Malcolm Lockyer
Sound
ES
Ernest Steward
Camera
PB
Peter Boita
Editing
PK
Peter Keen
Sound
HMP
Harry M. Popkin
Production
OAU
Oliver A. Unger
Production
FW
Frank White
Art
GF
Gerry Fletcher
Costume & Make-Up
