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.
George C. Scott
as Anthony Gethryn
Kirk Douglas
as George Brougham / Vicar Atlee / Mr. Pythian / Arthur Henderson
Dana Wynter
as Lady Jocelyn Bruttenholm
Clive Brook
as Marquis of Gleneyre
Gladys Cooper
as Mrs. Karoudjian
Herbert Marshall
as Sir Wilfrid Lucas
Jacques Roux
as Raoul Le Borg
John Merivale
as Adrian Messenger
Marcel Dalio
as Max Karoudjian
Bernard Archard
as Pike
Tony Huston
as Derek Bruttenholm
Ronald Long
as Sir Robert Carstairs
