A patient with both male and female DNA has the team stumped. Meanwhile, House starts acting nicely, raising Cuddy's and Wilson's suspicions that something is terribly wrong.
Hugh Laurie
Gregory House
Lisa Edelstein
Lisa Cuddy
Robert Sean Leonard
James Wilson
Omar Epps
Eric Foreman
Jennifer Morrison
Allison Cameron
Jesse Spencer
Robert Chase
Peter Jacobson
Chris Taub
Olivia Wilde
Thirteen
Kal Penn
Lawrence Kutner
Julia Campbell
Melanie
Nick Puga
Ian
Ben Reed
Joseph
Nicole Cannon
Nurse Helen
Fred Kronenberg
Doctor
Meagan Gordon
Young Woman
Dominic Scott Kay
Jackson Smith
Bobbin Bergstrom
Nurse
