A writer of murder mysteries finds himself caught up in a string of murders in London.
Michael Gough
as Edmond Bancroft
June Cunningham
as Joan Berkley
Graham Curnow
as Rick
Shirley Anne Field
as Angela Banks
Geoffrey Keen
as Supt. Graham
Gerald Andersen
as Dr. Ballan
John Warwick
as Insp. Lodge
Beatrice Varley
as Aggie
Austin Trevor
as Commissioner Wayne
Malou Pantera
as Peggy
Howard Greene
as Tom Rivers
Dorinda Stevens
as Gail Dunlap
