Halfrek or Hallie is a recurring fictional character on the TV series Buffy the Vampire Slayer. She appears as a vengeance demon in seasons 6 and 7, and has previously appeared as Cecily in season 5. She is played by actress Kali Rocha.

Bestseller No. 1
Spike: Old Times (Buffy the Vampire Slayer)
  • Written by Peter David
  • Story of Spike's past with Halfrek
  • Peter David
  • Publisher: Idea and Design Works
  • Paperback: 48 pages