Station 19

Main[

 * Jaina Lee Ortiz as Andrea "Andy"
 * Grey Damon as Jack Gibson:
 * Barrett Doss as Victoria "Vic" Hughes
 * Alberto Frezza as Ryan Tanner (main seasons 1–2, guest season 3)
 * Jay Hayden as Travis Montgomery
 * Okieriete Onaodowan as Dean Miller
 * Danielle Savre as Maya Bishop
 * Miguel Sandoval as Pruitt Herrera (seasons 1–3, guest season 4)
 * Boris Kodjoe as Robert Sullivan (season 2–present)
 * Stefania Spampinato as Dr. Carina DeLuca (season 4–present; recurring season 3)
 * Carlos Miranda as Theo Ruiz (season 5; recurring season 4)

Recurring

 * Marla Gibbs as Edith (season 1
 * Brett Tucker as Fire Chief Lucas Ripley (seasons 1–2, guest season 3)
 * Brenda Song as JJ (seasons 1, 3))
 * Sterling Sulieman as Grant (seasons 1–2)
 * Dermot Mulroney as Greg Tanner (season 2)
 * Birgundi Baker as Yemi Miller (season 2)
 * Rigo Sanchez as Rigo Vasquez (season 3
 * Kelly Thiebaud as Eva Vasquez (season 3
 * Pat Healy as Fire Chief Michael Dixon (seasons 3-4
 * Lachlan Buchanan as Emmett Dixon (seasons 3-4, guest season 5)
 * Jayne Taini as Marsha (seasons 3-4)
 * Colleen Foy as Inara (season 4; guest season 3)
 * Ansel Sluyter-Obidos as Marcus (season 4; guest season 3)
 * Robert Curtis Brown as Paul Montgomery (season 4)
 * Jeanne Sakata as Nari Montgomery (season 4)

Notable guests[edit source]

 * BJ Tanner as Wiliam George “Tuck” Jones (seasons 1, 3–4)
 * Jee Young Han as Charlotte Dearborn (seasons 1–2)
 * Patrick Duffy as Terry (season 2)
 * Nyle DiMarco as Dylan (season 2)
 * Jonathan Bennett as Michael Williams (season 3–4)
 * Tracie Thoms as Dr. Diane Lewis (season 3–4)
 * Khalilah Joi as Condola Vargas (season 4)

Grey's Anatomy

 * Chandra Wilson as Dr. Miranda Bailey (recurring seasons 1, 3; guest seasons 2, 4)
 * Ellen Pompeo as Dr. Meredith Grey (guest seasons 1, 3)
 * Jake Borelli as Dr. Levi Schmitt (guest seasons 1–4)
 * Giacomo Gianniotti as Dr. Andrew DeLuca (guest season 2, 4)
 * Kelly McCreary as Dr. Maggie Pierce (guest seasons 2–3)
 * Jesse Williams as Dr. Jackson Avery (recurring season 3)
 * Caterina Scorsone as Dr. Amelia Shepherd (guest seasons 3-4)
 * Kevin McKidd as Dr. Owen Hunt (guest seasons 3–4)
 * Greg Germann as Dr. Tom Koracick (guest season 3)
 * Kim Raver as Dr. Teddy Altman (guest season 3)
 * Alex Landi as Dr. Nico Kim (recurring season 3)
 * Jaicy Elliot as Dr. Taryn Helm (guest seasons 3–4):
 * Alex Blue Davis as Dr. Casey Parker (guest season 3):
 * Vivian Nixon as Dr. Hannah Brody (guest season 3)
 * Devin Way as Dr. Blake Simms (guest season 3)
 * James Pickens Jr. as Dr. Richard Webber (recurring season 4)
 * Zaiver Sinnett as Dr. Zander Perez (guest season 4)