Adrian Messenger, a famous writer, asks his friend Anthony Gethryn, a former British agent, to help him investigate the whereabouts of the people who appear on a list, without asking him the reason why he should do so.

Directed by: John Huston
Written by: Anthony Veiller
Runtime: 99 minutes
Critics score:
Tagline: The most bizarre murder mystery ever conceived!
Cast:
George C. Scott George C. Scott
Anthony Gethryn 
Kirk Douglas Kirk Douglas
George Brougham / Vicar Atlee / Mr. Pythian / Arthur Henderson 
Dana Wynter Dana Wynter
Lady Jocelyn Bruttenholm 
Clive Brook Clive Brook
Marquis of Gleneyre 
Gladys Cooper Gladys Cooper
Mrs. Karoudjian 
Herbert Marshall Herbert Marshall
Sir Wilfrid Lucas