In the Book |
In the Movie |
The primary diplomatic struggle in the story revolves around a UN agreement to solve the Israeli-Palestinian fighting. |
The primary diplomatic struggle in the story revolves around US-Russian nuclear weapons regulation. |
Ryan has been married to Cathy for years; the two have several children. |
Ryan marries Cathy at the end of the film.
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The terrorists plan to explode the bomb at a football game in Denver, Colorado. |
The terrorists plan to explode the bomb at a football game in Baltimore, Maryland. |
John Clark is a former special-ops soldier who, now in his forties, works for Ryan as his bodyguard and driver. |
John Clark is a special-ops soldier in his 30s who works for Cabot, not Ryan.
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Marcus Cabot, the Director of Central intelligence, is portrayed as a novice political appointee. He is lazy, unwilling to learn the complexities of his job, and all too eager to leave his work to Ryan, who he dislikes and believes to be arrogant. |
Marcus Cabot, the Director of Central intelligence, is portrayed as a hardworking, knowledgeable Director who acts as a mentor to Ryan in a manner similar to James Greer. |