Perceptive Americana intertwined with story of young girl who slowly
comes to realize her beloved Uncle Charley is really the Merry Widow
murderer; Cronyn steals film as nosy pulp-story fan. Scripted by Thornton
Wilder, Alma Reville, and Sally Benson from Gordon McDonnell's story.
Remade in 1958 (as Step Down to Terror) and for TV in 1991.
It was remade as "Step Down to Terror" in 1958 and as a TV movie in
Hitchcock makes his cameo appearance on the train to
Santa Rosa playing cards. He has the entire suit of spades in his hand,
including the symbolic ace.