Special Guest Stars Ellen Pompeo as Dr. Meredith Grey Guest Stars Stefania Spampinato as Dr. Carina DeLuca Lachlan Buchanan as Emmett Dixon Pat Healy as Michael Dixon Jayne Taini as Marsha Smith Colleen Foy as Inara Peter Onorati as Snuffy Souza Caterina Scorsone as Dr. Amelia Shepherd Laura Cerón as Sandra Alvarez Patricia De Leon as Elena Herrera Kim Raver as Dr. Teddy Altman Jack Conley as Captain Lawrence Adam Harrington as Lane Bishop Katy Sullivan as Dr. Miriam Alba Phillip Brandon as Duncan Co Starring Ansel Sluyter-Obidos as Marcus Lalia Susini as Young Andy Frances Nichols as Nurse Karen Rodnesha Green as Police Officer 1 Josh Archer as Police Officer 2 Kristen Henry King as Sasha Bennett Cynthia Quiles as Monica Max Phyo as Chief Sato Scott Cooper Ryan as Brant Brandon Sutton as USAR Captain Tim Redmond as Bomb Squad Captain