An exiled tyrant who purchases Ribos based on Garron's false promises of jethrik. Upon discovering the deception, he imprisons the Doctor and Garron, pursues them into the catacombs, and is ultimately killed by the explosive meant for his guard.
Garron's fraudulent sales pitch triggers a violent confrontation with the tyrant.
Graff employs the Seeker as a hunting instrument to find the thief.
Direct antagonists whose final confrontation ends in the Graff's destruction.
Explore the full interactive character relationship map of Doctor Who: The Ribos Operation