Olivia Wilde as "Thriteen" On House.
Taye Diggs as Dr. Sam Bennett on Private Practice.
Kate Walsh as Dr. Addison Shepherd on Grey's Anatomy.
Gillian Anderson as Dr. Dana Scully on the X-Files.
John Stamos as Dr. Tony Gates on E.R.
Katherine Heigl as Dr. Izzie Stevens on Grey's Anatomy.
Julian McMahon as Dr. Christian Troy on Nip/Tuck
Parminder Nagra as Dr. Neela Rasgotra on ER.
Patrick Dempsey as Dr. Derek Shepherd on Grey's Anatomy.
Rachel Bilson as Dr. Zoe Hart on Hart of Dixie
Jesse Spencer as Dr. Rober Chase on House
Sarah Chalke as Dr. Elliot Reid on Scrubs.
Omar Epps as Dr. Eric Foreman on House
Jane Seymour as Dr. Michaela Quinn on Dr. Quinn Medicine Woman
George Clooney as Dr. Doug Ross on ER