Disguised as Emile Keller, he manipulates Captain Chin Lee, attacks a US senator via the Keller Machine, and recruits prisoners into a private army to hijack the Thunderbolt missile. Loses control of the machine's alien parasite, escapes during the chaos, kills Barnham, and taunts the Doctor.
Long-standing rivals with a history of imprisonment and direct physical confrontations.
The Master exerts direct mental control over Chin Lee to manipulate diplomatic relations.
Kettering operates the machine under the direct orders of the Master, who poses as Emile Keller.
Yates becomes a direct victim of the Master's criminal recruitment and convoy hijacking.
Direct military opposition as the Brigadier leads the assault against the Master's prison takeover.
Explore the full interactive character relationship map of Doctor Who: The Mind of Evil