Series episode
| Tim Roth | ... | Dr. Cal Lightman |
| Kelli Williams | ... | Dr. Gillian Foster |
| Brendan Hines | ... | Eli Loker |
| Monica Raymund | ... | Ria Torres |
| Shea Whigham | ... | Jered Blunt |
| Fredric Lehne | ... | Company Owner Kevin Warren |
| Lauren Bowles | ... | Valerie Blunt |
| Cheryl White | ... | Mayor Meredith Fallon |
| Richard Brooks | ... | City Inspector Mark Boulware |
| Sam Ball | ... | Joe Spaly |
| Chris McGarry | ... | FEMA Commander Stevens |
| Virginia Williams | ... | Nadia Dawson |
| Pej Vahdat | ... | Jason Kashani |
| Jessica Wright | ... | Sylvia |
| Ramon De Ocampo | ... | Michael |
| Ross Mackenzie | ... | FEMA Tech |
| Brian Oblak | ... | FBI Agent |
| Lorenzo Callender | ... | Brian Denman |
| Martin Dorsla | ... | Clint Kisker |
| Brea Cola | ... | Sandra Kisker |
| Erik Rondell | ... | Elevator Worker |
| Leelila Strogov | ... | Female Reporter |
| Moira Squier | ... | Reporter |
| Leesa Severyn | ... | Reporter |
| Christopher Goodman | ... | Paramedic |
| Anjali Bhimani | ... | Young Woman |
| James Curreri | ... | Middle Aged Man |
| David Dustin Kenyon | ... | Jonathan - Rescue Worker |
| Mike Madrigal | ... | Rescue Worker |
| Mandy McMillian | ... | Middle Aged Woman |
| Victor Morrison | ... | Michael |
| John P. Napoleon | ... | Rescue Worker |
| Jeanne Simpson | ... | PTA Mom |
| Clark Johnson | ... | Direction |
| Dustin Thomason | ... | Script |