Guest Stars Jesse Williams as Dr. Jackson Avery Kim Raver as Dr. Teddy Altman Steven W. Bailey as Joe Jeff Perry as Thatcher Grey Leven Rambin as Sloan Riley Frankie Faison as William Bailey Danielle Panabaker as Kelsey Simmons Hillary Tuck as Julie Jacobson James Nardini as Anguished Father Nathan West as Mike Co Starring Kate Anthony as Nurse Kate Matt Wheeler as John Jacobson Ewan Chung as Tech Guy Joshua Kai as Nicholas Jacobson