Stacy McKee Creator Jaina Lee Ortiz Andy Herrera Actor Jason George Ben Warren Actor Boris Kodjoe Captain Robert Sullivan Actor Grey Damon Jack Gibson Actor Barrett Doss Victoria "Vic" Hughes Actor Jay Hayden Travis Montgomery Actor Okieriete Onaodowan Dean Miller Actor Danielle Savre Maya Bishop Actor Stefania Spampinato Carina DeLuca Actor Colleen Foy Inara Guest Star Robert Curtis Brown Paul Montgomery Guest Star Carlos Miranda Theo Ruiz Guest Star Lachlan Buchanan Emmett Dixon Guest Star John Ales Brother John Guest Star Ezra Buzzington Jerry Guest Star Jayne Taina Marsha Guest Star Ansel Sluyter-Obidos Marcus Guest Star Shonda Rhimes Executive Producer Betsy Beers Executive Producer Paris Barclay Executive Producer Krista Vernoff Executive Producer