Directed by Claude Whatham | Starring: Helen Hayes, Olivia de Havilland, Lesley-Anne Down, Bill Bixby

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.

IMDb Murder Is Easy movie posters