Guest Stars Miguel Sandoval as Captain Pruitt Herrera Colleen Foy as Inara BJ Tanner as Tuck Peter Onorati as Snuffy Souza James Pickens, Jr. as Dr. Richard Webber Caterina Scorsone as Dr. Amelia Shepherd Laura Cerón as Sandra Alvarez Jaicy Elliot as Dr. Taryn Helm Lombardo Boyar as Johnny Alvarez Melissa Marty as Michelle Alvarez Suanne Spoke as Yvonne Boyd Co Starring Noah Alexander Gerry as Joey Phillips Ansel Sluyter-Obidos as Marcus Lalia Susini as Young Andy Ronald Auguste as Gavin Debbie Fan as Meeting Leader Elizabeth Caro as Young Michelle