House — Season 4, Episode 3

• 
  Hugh Laurie
  as Gregory House
• 
  Robert Sean Leonard
  as James Wilson
• 
  Omar Epps
  as Eric Foreman
• 
  Jesse Spencer
  as Robert Chase
• 
  Odette Annable
  as Jessica Adams
• 
  Peter Jacobson
  as Chris Taub
• 
  Lo Mutuc
  as Chi Park

• 
  Peter Jacobson
  as Chris Taub
• 
  Olivia Wilde
  as Thirteen
• 
  Kal Penn
  as Lawrence Kutner
• 
  Kathleen York
  as Dr. Schaffer
• 
  Carmen Argenziano
  as Henry Dobson
• 
  Brian Klugman
  as Stark
• 
  Douglas Spain
  as Latino Fellow
• 
  Reynaldo Rosales
  as Handsome Fellow
• 
  Mary Kate Schellhardt
  as Attractive Fellow
• 
  Edi Gathegi
  as Jeffrey Cole
• 
  Anne Dudek
  as Amber Volakis
• 
  Meera Simhan
  as Dr. Jody Desai
• 
  Charlie Hofheimer
  as Mark Allmore
• 
  Andy Comeau
  as Dr. Travis Brennan
• Bobbin Bergstrom
  as Nurse
• Melinda Dahl
  as Twin, #15a
• Caitlin Dahl
  as Twin, #15b

Writer:
Russel Friend
Garrett Lerner

Director:
David Platt

Editor:
Kimberly Ray

Stunts:
Michael Gaines

Director of Photography:
Gale Tattersall