Special Guest Stars Mary McDonnell as Helen Peterson Guest Stars Abigail Spencer as Misha Nelson Adam Arkin as Mark Duncan Sharon Lawrence as Angela Foyer Mo McRae as Amir Dan Bucatinsky as Jason Erickson Jeff Doucette as Daniel Wiley Dorian Missick as Rick Carter Georgina Reilly as Tamsin Pless Cinda Adams as Donna Young Co Starring Daniella Garcia as Maddie Shirley Jordan as Willa Angela Fornero as Pathology Tech Madara Jayasena as Anesthesiologist