The Longest Night is a 1972 made-for-TV movie written by Merwin Gerard and directed by Jack Smight. The plot concerns the kidnapping of Karen Chambers, daughter of wealthy Alan Chambers. The kidnapper holds her underground in a homemade coffin. He leaves her there until he receives the ransom money. Her family frantically searches for her. This movie was originally shown as an ABC Movie of the Week on September 12, 1972. This is based on the true 1968 kidnapping of Barbara Mackle by Gary Krist.