: The nuclear detonation occurs at a football game in Baltimore, Maryland, rather than Denver.
: A lost Israeli nuclear weapon from the 1973 Yom Kippur War is recovered by a disparate group of terrorists (including Arab nationalists and East German Marxists). The Sum of All Fears
: Starring Ben Affleck as Jack Ryan and Morgan Freeman as CIA Director William Cabot. Key Differences Between Media Novel (1991) Film (2002) Jack Ryan's Role Deputy Director of the CIA Junior CIA Analyst Terrorist Identity Arab Nationalists & Marxists Blast Location Denver, Colorado Baltimore, Maryland Ryan's Personal Life Married with children Just beginning to date Cathy Muller : The nuclear detonation occurs at a football
The title itself refers to the "summing" of various geopolitical and personal anxieties—chiefly the threat of mutually assured destruction —that could lead to global catastrophe. Key Differences Between Media Novel (1991) Film (2002)
: To avoid political controversy during pre-production, the terrorists were changed from Arab nationalists to a European neo-Nazi faction seeking to provoke a superpower conflict.
The movie served as a "reboot" for the franchise, featuring a younger Jack Ryan early in his career.