The following NPCs can be found in Karazhan.

Event NPCs

Alliance

•  Conjured Water Elemental (Chess Event)
•  Human Charger (Chess Event)
•  Human Cleric (Chess Event)
•  Human Conjurer (Chess Event)
•  Human Footman (Chess Event)
•  King Llane (Chess Event)

Horde

•  Orc Grunt (Chess Event)
•  Orc Necrolyte (Chess Event)
•  Orc Warlock (Chess Event)
•  Orc Wolf (Chess Event)
•  Summoned Daemon (Chess Event)
•  Warchief Blackhand (Chess Event)

Neutral

•  Barnes <The Stage Manager> (Opera Event)
•  Echo of Medivh (Chess Event)

Quest NPCs

Neutral

•  Gradav <The Warlock>
  •  [70] In Good Hands
  •  [70] Kamsis
•  Kamsis <The Conjurer>
  •  [70] Kamsis
  •  [70] The Shade of Aran
  •  [70] The Master's Terrace
•  Koren <The Blacksmith>
  •  [70] Assessing the Situation
  •  [70] Keanna's Log
•  Wravien <The Mage>
  •  [70] Medivh's Journal
  •  [70] In Good Hands

Vendors

Neutral

•  Koren <The Blacksmith>
•  Ythyar (Reagents)

Various Services

Neutral

•  Berthold <The Doorman> (Information & Teleportation)

No Player Services

•  Bennett <The Sergeant at Arms>
•  Calliard <The Nightman>
•  Ebonlocke <The Noble>
•  Hastings <The Caretaker>
•  Sebastian <The Organist>