Billion-Dollar Brain was filmed as Billion Dollar Brain in 1967, the third installment of the Harry Palmer series of films based on Deighton's novels, featuring Michael Caine; it was a commercial flop. Billion-Dollar Brain Billion-Dollar Brain is a 1966 Cold War spy novel by Len Deighton. It was the fourth to feature an unnamed secret agent working for the British WOOC(P) intelligence agency. It follows "The IPCRESS File" (1962), "Horse Under Water" (1963), and "Funeral in Berlin" (1964). As in most of the author's novels, the plot of "Billion-Dollar Brain" (1967) is intricate, with many dead ends. The unnamed protagonist is ordered
The IPCRESS File The protagonist reveals to Jean that Jay and Dalby were using a process called "Induction of Psycho-neuroses by Conditioned REflex with Stress" (IPCRESS) to brainwash the VIPs into loyalty to the Soviet Union, which they had also unsuccessfully attempted to subject the protagonist to. The seemingly irrelevant links that Carswell had discovered were in fact indicators of the personality traits that Jay had used to determine which VIPs would easily succumb to the process. Dalby was the one who had sabotaged the American bomb test, as part of Jay and Dalby's efforts to frame the protagonist. Colonel Ross reveals that