Guest Stars Adrian Pasdar as ADA David McClaren Cheech Marin as Ignacio Messina Jim Parsons as Rob Holbrook Robert Dolan as AAG Tucker Maitland Sanjay Chandani as Dr. Singh Suzanne Santo as Marissa Levy Jack Impellizzeri as Doc Stephen Scaia as Dr. Rinier Burt Bulos as Carlos Marcia Del Mar as Lucita Rocha Kim Myers as Mrs. McCarty Kirsten Potter as Harriet Blanchard Jenna Capozzi as Admitting Nurse Julius Callahan as ADA James Ritter