Guest Stars Riley B. Smith as Ralph Dineen Camille Guaty as Megan O'Brien Brendan Hines as Drew Frank Crim as Foreman Karolina Wydra as Agent Simone Taylor Kristen Ariza as Doctor Christian Ochoa as Javier Andres Perez-Molina as LA Cop #1 Josh Clark as Supervisor Elkins Collin Hymes as Partner Nikhil Shukla as Forensic Ronnie Gene Blevins as Dirty John Tucker Joe Ordaz as Vasquez Melissa R. Stubbs as Jules John Barbolla as Hospital Security Guard Angela K. Thomas as Nurse #2 Jimmy Roberts as Andre Jeffery A. Baker as Floor Manager Leith Burke as Surgeon Casey Adams as LA Cop #2 Celeste Creel as Nurse #1