Melissa Roxburgh Rebecca "Bex" Henderson Actor Nick Wechsler Oliver Odell Actor Patrick Sabongui Ryan Hassani Actor Josh McKenzie Shane Florence Actor Sara Garcia Jennifer Morales Actor Luke Forbes Jonathan Peck Guest Star Quentin Nguyen-Duy Ben Jones Guest Star Kari Matchett Colonel Eve Lazarus Guest Star Josh Dallas Elliot Carr Guest Star Kurt Csolak Jax Guest Star Jeff Blumenkrantz Dr. Moody Guest Star Erin Quill Medical Examiner Guest Star Daren Donofrio EMT Paul Guest Star Danny Schoch Lonnie Sayward Guest Star Tracie Higgins Meryl Sayward Guest Star Alexandra Acosta EMT Anna Guest Star James Seol Dr. Thomas McMillan Guest Star Jeremy Rafal Lab Technician Guest Star Maddie Mazzella Charlotte Guest Star Will Logan Iggy Guest Star Parker Drown Matt Guest Star Victoria Omoregie Package Employee Guest Star Jake Coburn Executive Producer Thor Freudenthal Executive Producer Keto Shimizu Executive Producer JJ Bailey Executive Producer Laura Belsey Director Emilio Ortega Aldrich Writer Vinny Ferris Writer