• Season 4 Episode 5
  • Haunt You Every Day

  • Airdate:18.10.2007.

It's Halloween, and the day is full of surprises for the doctors of Seattle Grace.  Alex receives an unexpected and welcome visit from his former patient, Ava/Rebecca, Meredith is convinced that her mother's ashes are haunting her, Cristina is snubbed by a surgeon she admires, and Callie announces George and Izzie's affair to their fellow doctors.

series regulars:

    Ellen Pompeo as Meredith Grey
    Patrick Dempsey as Derek Shepherd
    Sandra Oh as Cristina Yang
    Katherine Heigl as Isobel "Izzie" Stevens
    Justin Chambers as Alex Karev
    T.R. Knight as George O'Malley
    Chandra Wilson as Miranda Bailey
    James Pickens, Jr. as Richard Webber
    Sara Ramirez as Callie Torres
    Eric Dane as Mark Sloan
    Chyler Leigh as Lexie Grey.

guest cast:

    Edward Herrmann as Norman
    Elizabeth Reaser as Ava
    Rocky Carroll as James
    Kali Rocha as Sydney
    David Clennon as Jack
    Dylan Minnette as Ryan
    Sarah Utterback as Olivia
    Anjul Nigam as Raj

written by:

Krista Vernoff

directed by:

Bethany Rooney