Guest Stars Paul Walter Hauser as Keith Juliette Jackson as Shelby Mac Brandt as Mac Sullivan Phil Abrams as Dr. Kramer Kim Robillard as Mark Dantzler Zuleikha Robinson as Allison Obba Babatundé as Det. Gaines Jared Ward as Paul Blazevich Abigail Wake as Tania J.J. Boone as Officer Hawk Chris Leben as Taylor