American computer whiz Luke Williams meets elderly Lavinia Fullerton on a London-bound train. She reveals she's discovered the identity of a serial killer in her village and is going to report it to Scotland Yard. When she is murdered after disembarking the train, Williams vows to pursue the case himself.
as Prof. Luke Williams
as Lavinia Fullerton
as Bridget Conway
as Honoria Waynflete
as Maj. Horton
as Dr. Thomas
as Const. Reed
as Jimmy Lorrimer
as Mr. Ellsworthy
as Vicar
as Rivers
as Abbot
as Lord Gordon Easterfield
as Mrs. Pierce
as Rose Humbleby
as Avery
as Attendant
