| In the Book |
In the Movie |
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Ryan does not speak Russian. |
Ryan speaks Russian fluently. |
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Narmonov decides on his own to stand down his troops to avoid nuclear war. |
Nemerov is asked by Ryan to stand down his troops to avoid nuclear war.
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When Ryan is communicating with Narmonov on the US-Russian hotline, he knows that the bomb is not Soviet but does not know the actual culprits. |
When Ryan is communicating with Nemerov on the US-Russian hotline, he knows the bomb is not Russian and that Dressler is behind it. |
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Cabot frequently ignores Ryan's views during policy discussions, believing him to be arrogant. |
Cabot often asks Ryan his opinion during high-level discussions to showcase Ryan's fresh approach.
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Charles Alden, President Fowler's initial National Security Adviser, dies from an aneurysm following a sex scandal. Elizabeth Elliot replaces him. |
Gene Renevall remains President Fowler's National Security Adviser the whole time. |