In 1965 he interviewed Michael Caine about his experience playing a secret
agent in the film 'The Ipcress File (1965)'. At the time of the interview, McCarry
himself was secretly employed by the CIA.
Explaining the meaning behind "deep-cover" in deep-cover agent: "Oh
it's laughable... What it means is that you have an ostensible
occupation, a cover job, and that you don't go about introducing
yourself as a CIA agent. You don't work out of an embassy, in fact you
don't go near an embassy, and all of your meetings and reporting take
place clandestinely."
