Grey's Anatomy — Season 4, Episode 8

• 
  Ellen Pompeo
  as Meredith Grey
• 
  Chandra Wilson
  as Miranda Bailey
• 
  James Pickens Jr.
  as Richard Webber
• 
  Caterina Scorsone
  as Amelia Shepherd
• 
  Camilla Luddington
  as Jo Wilson
• 
  Kevin McKidd
  as Owen Hunt
• 
  Kim Raver
  as Teddy Altman
• 
  Jason George
  as Ben Warren
• 
  Chris Carmack
  as Atticus Lincoln
• 
  Anthony Hill
  as Winston Ndugu
• 
  Adelaide Kane
  as Jules Millin
• 
  Alexis Floyd
  as Simone Griffith
• 
  Niko Terho
  as Lucas Adams
• 
  Harry Shum Jr.
  as Benson 'Blue' Kwan
• 
  Trevor Jackson
  as Wes Bryant

• 
  Brooke Smith
  as Erica Hahn
• 
  Jeff Perry
  as Thatcher Grey
• 
  Mark Saul
  as Steve
• 
  Ray Ford
  as Paramedic Ray
• 
  Brooke Nevin
  as Tricia Hale
• 
  D. B. Woodside
  as Marcus Kane
• 
  Madeline Zima
  as Marissa
• 
  Kali Rocha
  as Sydney Heron
• 
  Lauren Stamile
  as Nurse Rose
• Molly Kidder
  as Intern Megan
• 
  Joe Williamson
  as Intern Pierce
• 
  Amrapali Ambegaokar
  as Intern Dani
• Stephen Sowan
  as Danny Metcalf
• 
  Courtney Hope
  as Ariana
• 
  Julia Ling
  as Emma
• Meghan Lynch
  as Courtney
• 
  Laura Chinn
  as Jamie
• 
  Rob J. Greenlea
  as Second Paramedic
• Monica Herman
  as Molly

Director:
Tom Verica
Rob Corn

Writer:
Mark Wilding