When the initial Cylon attack against the Twelve Colonies fails to achieve complete extermination of human life as planned, twin Number Ones (Cavils) embedded on Galactica and Caprica must improvise to destroy the human survivors.
| Production | David Eick | Executive Producer |
| Production | Maril Davis | Producer |
| Sound | Bear McCreary | Original Music Composer |
| Production | Glen A. Larson | Producer |
| Directing | Edward James Olmos | Director |
| Production | Ron French | Producer |
| Editing | Andrew Seklir | Editor |
| Production | Gregg Tilson | Producer |
| Editing | Michael Lim | Editor |
| Production | Paul M. Leonard | Producer |
| Production | Siân McArthur | Producer |
| Production | Jane Espenson | Executive Producer |
| Writing | Jane Espenson | Writer |
| Production | Ronald D. Moore | Executive Producer |
| Production | Andrew Seklir | Producer |
| Camera | Stephen McNutt | Director of Photography |
| Art | Maurice Woodworth | Set Dresser |
| Camera | Curt Griebel | Key Grip |
| Costume & Make-Up | Ankaraj Eden | Key Makeup Artist |
| Sound | Daniel Colman | Sound Designer |
| Crew | Mike Mitchell | Stunt Coordinator |
| Art | Lisle Fehlauer | Set Dresser |
| Sound | Richard Partlow | Foley Artist |
| Visual Effects | Jesse Toves | 3D Artist |
| Visual Effects | Mike Gibson | Visual Effects Producer |
| Crew | Steve Kaplan | Score Engineer |
| Camera | Darius de Andrade | Camera Trainee |
| Editing | Matthew Gilna | Assistant Editor |
| Costume & Make-Up | Glenne Campbell | Costume Design |
| Costume & Make-Up | Vincenza Celentano | Assistant Makeup Artist |
| Sound | Sam C. Lewis | Foley |
| Sound | Greg Hewett | Boom Operator |
| Crew | Carol Marks-George | Unit Publicist |
| Lighting | Jeff Trebenski | Gaffer |
| Costume & Make-Up | Linda Leduc | Costume Supervisor |
| Art | Jonathan Lancaster | Set Decoration |
| Costume & Make-Up | Patricia Murray | Key Makeup Artist |
| Sound | Naan Spiess | Boom Operator |
| Visual Effects | Heather McAuliff | Digital Compositor |
| Camera | Ryan McMaster | Second Unit Director of Photography |
| Visual Effects | Gary Hutzel | Visual Effects Supervisor |
| Sound | Daniel Colman | Supervising Sound Editor |
| Crew | Andrew Chamberlayne | Special Effects Coordinator |
| Art | Brendan Taylor | Set Dresser |
| Camera | Tim Spencer | Camera Operator |
| Directing | David Reed | Script Coordinator |
| Art | Richard Hudolin | Production Design |
| Lighting | Andrew Mackie | Key Rigging Grip |
| Crew | Ryan Schroer | Compositor |
| Visual Effects | Greg Behrens | Visual Effects Coordinator |
| Visual Effects | David Takemura | Visual Effects Coordinator |
| Visual Effects | Kelly Whitfield | Visual Effects Production Assistant |
| Directing | Wayne Rose | Second Unit Director |
| Costume & Make-Up | Katherine Wigzell | Assistant Costume Designer |
| Sound | Michael Baber | Music Editor |
| Sound | Rick Bal | Sound Mixer |
| Production | Laurie Boyle | Production Accountant |
| Production | Harvey Frand | Producer |
