An American adventurer who has a gambling den in Istanbul, who is suspected to be involved in the kidnapping of a nuclear scientist, but ultimately becomes self on the search for the disappeared and gets a striving for world domination secret organization.
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That Man in Istanbul is a 1965 English-language European international co-production adventure film directed by Antonio Isasi-Isasmendi and starring Horst Buchholz. It was released in the United States by Columbia Pictures. That Man in Istanbul is a eurospy comedy film. Its English-language title is likely a reference to the 1964 eurospy comedy film That Man from Rio.