Special Guest Stars Jeffrey Dean Morgan as Denny Duquette Guest Stars Jessica Capshaw as Dr. Arizona Robbins Debra Mooney as Evelyn Hunt Kimberly Elise as Dr. Swender Liza Weil as Alison Clark Zach Gilford as Charlie Lowell Co Starring Jeff Davis as Recruiting Officer Webster Williams as Alison's Father Brock Cuchna as Recruiting Clerk Chelsea Taylor as Alison's Mother Jon Rowland as Alison's Boyfriend