• Season 5 Episode 16
  • An Honest Mistake

  • Airdate:19.02.2009.

Derek's confidence is shaken like never before as he faces off with Addison over what course is best for their dying pregnant patient; Cristina calls the abilities of a renown surgeon into question after she botches a standard procedure; and Bailey, who has decided to pursue a fellowship in Pediatrics, is appalled by the Chief's less-than-stellar recommendation letter 

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
    Kevin McKidd as Owen Hunt

guest cast:

    Faye Dunaway as Dr. Campbell
    Kate Walsh as Addison
    Audra McDonald as Naomi
    Taye Diggs as Sam
    Grant Show as Archer
    Jennifer Westfeldt as Jen
    Ben Shenkman as Rob
    Laura Allen as Beth
    Sam Anderson as Michael
    Steven W. Bailey as Joe
    Brandon Scott as Intern Ryan
    Melissa George as Sadie.

written by:

Peter Nowalk

directed by:

Randy Zisk