“Grey’s Anatomy” stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Justin Chambers as Alex Karev, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber, Sara Ramirez as Callie Torres, Kevin McKidd as Owen Hunt, Jessica Capshaw as Arizona Robbins, Jesse Williams as Jackson Avery, Sarah Drew as April Kepner, Caterina Scorsone as Amelia Shepherd, Camilla Luddington as Jo Wilson, and Jerrika Hinton as Stephanie Edwards.
Guest starring Eileen Ryan as Majorie Reed, Patrick Fabian as Dr. LeBackes, Rebecca Field as Sabine McNeil, Kelly McCreary as Dr. Margaret “Maggie” Pierce, Mary Passeri as Jeannie Reed, Manu Narayan as Eric Patel, Anisha Nagarajan as Rita Patel, Bill Malone as Jon McNeil, and Chad Buchanan as Brian.
“Puzzle With A Piece Missing” was written by William Harper and directed by Rob Corn.