Former CIA assassin suffering from amnesia, highly skilled in combat and espionage, seeking his true identity while evading government agencies.
Conklin represents the command structure that formerly controlled Bourne.
Conklin directs Operation Treadstone and manages the effort to capture Bourne after Bourne's identity is exposed.
The Professor is one of the principal field threats pursuing Bourne.
Conklin sends the Professor to kill Bourne, and Bourne mortally wounds him during their confrontation.
Castel is an early operative sent to eliminate Bourne.
Castel ambushes Bourne in the Paris apartment, but Bourne overcomes him and Castel dies after jumping from a window.
Manheim belongs to the hostile Treadstone enforcement network.
Manheim is assigned to kill Bourne, and later kills Conklin under Abbott's orders rather than confronting Bourne directly.
Abbott is a senior authority behind the system Bourne rejects.
Abbott pressures Conklin to resolve the Bourne matter while supporting the covert assassination operation.
Their direct interaction is tense and coercive during Bourne's investigation.
Bourne breaks into the Treadstone safe house and holds Nicky at gunpoint while questioning Conklin.
Eamon provides temporary shelter while Bourne tries to keep his household out of danger.
Bourne and his companion take refuge at Eamon's countryside home, then send Eamon and the children away for protection.
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Related entry on Wikidata (Q1059919), public domain (CC0).