Early career CIA analyst and historian navigating Cold War espionage.
Ryan relies on Greer's expertise to validate his defection hypothesis.
After consulting with Vice Admiral James Greer, the deputy director of the CIA, Ryan briefs government officials on Red October.
Pelt sets a strict deadline for Ryan to prove his theory.
National Security Advisor Jeffrey Pelt gives Ryan three days to confirm his theory before the U.S. Navy will be ordered to find and sink Red October.
Ryan and Mancuso form a crucial alliance to verify Ramius's true motives.
Ryan is able to board Dallas, where he attempts to persuade its captain, Commander Bart Mancuso, to contact Ramius and determine his real intentions.
Ryan actively hunts down and eliminates the saboteur to save the crew.
Loginov is pursued by Ryan and Ramius, and he wounds Ramius before being killed by Ryan.
Ryan's hypothesis drives the mission to facilitate Ramius's defection.
Ryan remains convinced that Ramius plans to defect with his officers and finally convinces Mancuso to contact Ramius and offer assistance.
Explore the full interactive character relationship map of The Hunt for Red October
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