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 (film) Subsequently, another CIA operative threatens to kill Palmer if he discovers that the death was not a mistake. Some days later, it becomes clear that while Radcliffe is physically unharmed, his mind has been affected and he can no longer function as a scientist. Carswell has discovered a book titled "Induction of Psychoneuroses by Conditioned Reflex under Stress" - IPCRESS - which he believes explains what has happened to Radcliffe and the other scientists. Carswell borrows Palmer's car to test his theory on Radcliffe, but is shot before reaching him. Believing that he himself must have been the intended target,