Guest Stars Nestor Carbonell as Richard Alpert Jeff Fahey as Frank Lapidus John Terry as Dr. Christian Shephard Kevin Durand as Martin Keamy Anthony Azizi as Omar Doug Hutchison as Horace Goodspeed Lance Reddick as Matthew Abbadon Marc Vann as Doctor Grant Bowler as Captain Gault Co Starring Holland Roden as Emily Mandy June Turpin as Florence Phil Abrams as Gellert Rebecca Tilney as Emily's Mother Amanda Carlin as ER Nurse Caleb Steinmeyer as John Locke Charles Henry Wyson as John Locke Matthew Pedersen as Physical Therapist Patrick Torres as ER Doctor Sarah Duval as Melissa