Ellen Pompeo; Sandra Oh; Katherine Heigl; Justin Chambers; Chandra Wilson

Ellen Pompeo; Sandra Oh; Katherine Heigl; Justin Chambers; T.R. Knight

Simon Baker ; Robin Tunney ; Tim Kang ; Amanda Righetti

Simon Baker ; Robin Tunney ; Tim Kang

Simon Baker ; Robin Tunney ; Tim Kang

Anna Voy Kunith ; Sven Waasner ; René Schoenenberger

Anna Voy Kunith ; Sven Waasner ; René Schoenenberger

Michael Ealy; Oded Fehr; Omid Abtahi; Kevin Alejandro; Carlos Gómez; Michael Desante; Thekla Reuten; Jay R. Ferguson; Angela Gots; Megan Ward; Sonya Walger; Susan Par

Rob Morrow ; Barry Corbin ; Janine Turner

Chris O'Donnell; Alfred Molina; Michael Keaton; Rory Cochrane; Alessandro Nivola; Tom Hollander; Kristin Booth; Alexandra Maria Lara; Natascha McElhone; Ted Atherton; Sir Simon Callow; Sir Antony Sher; Rick Roberts; Erika Marozsán;

James Brolin; Bobby Hosea; Michael Trucco; Sandra Hess; Barbara Niven

Edie Falco; Eve Best; Merritt Wever; Paul Schulze; Peter Facinelli

Nina Dobrev ; Paul Wesley ; Ian Somerhalder

Nina Dobrev ; Paul Wesley ; Ian Somerhalder

Johnny Galecki ; Jim Parsons ; Kaley Cuoco

Johnny Galecki ; Jim Parsons ; Kaley Cuoco

Johnny Galecki ; Jim Parsons ; Kaley Cuoco ; Simon Helberg ; Kunal Nayyar

Zooey Deschanel, Jake M. Johnson, Max Greenfield, Lamorne Morris, Hannah Simone

Hugh Bonneville; Alex Kingston; Tom Riley

Blake Lively ; Leighton Meester ; Chace Crawford ; Taylor Momsen ; Kristen Bell