Comment made at: Web Of Mystery 027ENIGMA OF THE UNSCHEDULED PASSENGER is a retelling of a segment of "Four Star Playhouse" called "The Man on the Train" which was telecast 15 Jan. 1953. The role of Lucinda Dell is played by David Niven as a London businessman who meets the ghost on the train. Also, Daniel Cohen authored "Railway Ghosts and Highway Horrors" which also includes this story, so says IMDB. This episode is also on the DVD collection "Four Star Playhouse, Volume One."
