. "Cecily Addams/Cecily Underwood"@en . . . . . "\"Selfless\""@en . . "\"The children need me.\" -Halfrek, \"Older and Far Away\" 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."@en . . . . . . . . . . "Halfrek"@en . . . . . "Hallie"@en . . . . "See Vengeance demon"@en . . "Halfrek"@en . . "\"Fool for Love\""@en . . . . . . "\"The children need me.\" -Halfrek, \"Older and Far Away\" 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."@en . . . . . . . . "Deceased"@en . .