

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.
Director: Claude Whatham

Prof. Luke Williams

Lavinia Fullerton

Bridget Conway

Honoria Waynflete

Maj. Horton

Dr. Thomas

Const. Reed

Jimmy Lorrimer

Mr. Ellsworthy

Vicar