Ellen Pompeo ; Sandra Oh ; Katherine Heigl

Ellen Pompeo ; Sandra Oh ; Katherine Heigl

Lucy Cohu; Shaun Dingwall; Aidan McArdle; Rowan Atkinson

Mary McDonnell ; Jamie Bamber

Jürgen Vogel; Thomas Heinze; Maja Schöne; Jördis Triebel; Christoph Letkowski; Agnieszka Piwowarska; Jörg Pose; Gisa Flake

Alex O'Loughlin ; Sophia Myles ; Jason Dohring

Masi Oka ; James Kyson Lee

Mike Judge; Kathy Najimy; Pamela Adlon

Calista Flockhart; Greg Germann; Jane Krakowski; Vonda Shepard; Peter MacNicol

Sendhil Ramamurthy ; Masi Oka ; Hayden Panettiere

Sendhil Ramamurthy ; Masi Oka ; Hayden Panettiere

Teri Hatcher ; Felicity Huffman ; Marcia Cross ; Eva Longoria

Liev Schreiber; Paula Malcomson; Jon Voight; Eddie Marsan; Dash Mihok

Hugh Laurie ; Lisa Edelstein ; Omar Epps

Tom Riley; Laura Haddock; Blake Ritson; Elliot Cowan; Lara Pulver; James Faulkner; Gregg Chillin; David Schofield; Kieran Bew

Kyra Sedgwick ; J.K. Simmons ; Corey Reynolds

Kyra Sedgwick ; J.K. Simmons ; Corey Reynolds

Kyra Sedgwick ; J.K. Simmons ; Corey Reynolds

Greg Morris; Bob Johnson; Peter Lupus; Peter Graves; Martin Landau; Barbara Bain; Leonard Nimoy; Lynda Day George; Steven Hill; Lesley Ann Warren; Sam Elliott; Jack Donner; Sid Haig; Lee Meriwether; Barbara Anderson; Joseph Ruskin; Arthur Batanides; David

Shenae Grimes; Tristan Wilds; AnnaLynne McCord; Jessica Stroup; Michael Steger; Jessica Lowndes; Rob Estes