<P> A new class of interns is introduced, one of which has a history with Andrew DeLuca (Giacomo Gianniotti). Ben Warren (Jason George) joins to Fire Academy but has trouble telling his wife, Miranda Bailey (Chandra Wilson). Harper Avery (Chelcie Ross) threatens to pull funding from Grey - Sloan and fires Bailey as Chief, but he soon after passes away, reinstating Bailey in the position . After Eliza Minnick (Marika Domińczyk) is fired from Grey - Sloan, she ghosts Arizona Robbins (Jessica Capshaw), who subsequently begins dating Carina . Their relationship is short - lived, however, and once they break up, Carina starts seeing a newly single Owen . </P> <Table> <Tr> <Td> <H3> Main cast (edit) </H3> <Ul> <Li> Ellen Pompeo as Dr. Meredith Grey </Li> <Li> Justin Chambers as Dr. Alex Karev </Li> <Li> Chandra Wilson as Dr. Miranda Bailey </Li> <Li> James Pickens Jr. as Dr. Richard Webber </Li> <Li> Kevin McKidd as Dr. Owen Hunt </Li> <Li> Jessica Capshaw as Dr. Arizona Robbins </Li> <Li> Sarah Drew as Dr. April Kepner </Li> <Li> Jesse Williams as Dr. Jackson Avery </Li> <Li> Caterina Scorsone as Dr. Amelia Shepherd </Li> <Li> Camilla Luddington as Dr. Jo Wilson </Li> <Li> Kelly McCreary as Dr. Maggie Pierce </Li> <Li> Jason George as Dr. Ben Warren </Li> <Li> Martin Henderson as Dr. Nathan Riggs (Until Episode 5) </Li> <Li> Giacomo Gianniotti as Dr. Andrew DeLuca </Li> </Ul> </Td> <Td> <H3> Recurring cast (edit) </H3> <Ul> <Li> Debbie Allen as Dr. Catherine Avery </Li> <Li> Kim Raver as Dr. Teddy Altman </Li> <Li> Abigail Spencer as Dr. Megan Hunt </Li> <Li> Greg Germann as Dr. Tom Koracick </Li> <Li> Matthew Morrison as Dr. Paul Stadler </Li> <Li> Stefania Spampinato as Dr. Carina DeLuca </Li> <Li> Jake Borelli as Dr. Levi Schmitt </Li> <Li> Jeanine Mason as Dr. Sam Bello </Li> <Li> Alex Blue Davis as Dr. Casey Parker </Li> <Li> Rushi Kota as Dr. Vikram Roy </Li> <Li> Jaicy Elliot as Dr. Taryn Helm </Li> <Li> Sophia Taylor Ali as Dr. Dahlia Qadri </Li> </Ul> </Td> <Td> <H3> Guest cast (edit) </H3> <Ul> <Li> Debra Mooney as Evelyn Hunt </Li> <Li> Bill Smitrovich as Dr. Walter Carr </Li> <Li> Chelcie Ross as Dr. Harper Avery </Li> <Li> Kate Burton as Dr. Ellis Grey </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> <H3> Main cast (edit) </H3> <Ul> <Li> Ellen Pompeo as Dr. Meredith Grey </Li> <Li> Justin Chambers as Dr. Alex Karev </Li> <Li> Chandra Wilson as Dr. Miranda Bailey </Li> <Li> James Pickens Jr. as Dr. Richard Webber </Li> <Li> Kevin McKidd as Dr. Owen Hunt </Li> <Li> Jessica Capshaw as Dr. Arizona Robbins </Li> <Li> Sarah Drew as Dr. April Kepner </Li> <Li> Jesse Williams as Dr. Jackson Avery </Li> <Li> Caterina Scorsone as Dr. Amelia Shepherd </Li> <Li> Camilla Luddington as Dr. Jo Wilson </Li> <Li> Kelly McCreary as Dr. Maggie Pierce </Li> <Li> Jason George as Dr. Ben Warren </Li> <Li> Martin Henderson as Dr. Nathan Riggs (Until Episode 5) </Li> <Li> Giacomo Gianniotti as Dr. Andrew DeLuca </Li> </Ul> </Td> <Td> <H3> Recurring cast (edit) </H3> <Ul> <Li> Debbie Allen as Dr. Catherine Avery </Li> <Li> Kim Raver as Dr. Teddy Altman </Li> <Li> Abigail Spencer as Dr. Megan Hunt </Li> <Li> Greg Germann as Dr. Tom Koracick </Li> <Li> Matthew Morrison as Dr. Paul Stadler </Li> <Li> Stefania Spampinato as Dr. Carina DeLuca </Li> <Li> Jake Borelli as Dr. Levi Schmitt </Li> <Li> Jeanine Mason as Dr. Sam Bello </Li> <Li> Alex Blue Davis as Dr. Casey Parker </Li> <Li> Rushi Kota as Dr. Vikram Roy </Li> <Li> Jaicy Elliot as Dr. Taryn Helm </Li> <Li> Sophia Taylor Ali as Dr. Dahlia Qadri </Li> </Ul> </Td> <Td> <H3> Guest cast (edit) </H3> <Ul> <Li> Debra Mooney as Evelyn Hunt </Li> <Li> Bill Smitrovich as Dr. Walter Carr </Li> <Li> Chelcie Ross as Dr. Harper Avery </Li> <Li> Kate Burton as Dr. Ellis Grey </Li> </Ul> </Td> </Tr> <Ul> <Li> Ellen Pompeo as Dr. Meredith Grey </Li> <Li> Justin Chambers as Dr. Alex Karev </Li> <Li> Chandra Wilson as Dr. Miranda Bailey </Li> <Li> James Pickens Jr. as Dr. Richard Webber </Li> <Li> Kevin McKidd as Dr. Owen Hunt </Li> <Li> Jessica Capshaw as Dr. Arizona Robbins </Li> <Li> Sarah Drew as Dr. April Kepner </Li> <Li> Jesse Williams as Dr. Jackson Avery </Li> <Li> Caterina Scorsone as Dr. Amelia Shepherd </Li> <Li> Camilla Luddington as Dr. Jo Wilson </Li> <Li> Kelly McCreary as Dr. Maggie Pierce </Li> <Li> Jason George as Dr. Ben Warren </Li> <Li> Martin Henderson as Dr. Nathan Riggs (Until Episode 5) </Li> <Li> Giacomo Gianniotti as Dr. Andrew DeLuca </Li> </Ul>

When does grey's anatomy season 15 start