 | Arnold Schwarzenegger als Guardian / The Terminator |
 | Emilia Clarke als Sarah Connor |
 | Jason Clarke als John Connor |
 | Jai Courtney als Kyle Reese |
 | Matt Smith als Alex / Skynet |
 | J.K. Simmons als O'Brien |
 | Lee Byung-hun als Cop / T-1000 |
 | Dayo Okeniyi als Danny Dyson |
 | Courtney B. Vance als Miles Dyson |
 | Michael Gladis als Lieutenant Matias |
 | Sandrine Holt als Detective Cheung |
 | Wayne Bastrup als Young O'Brien |
 | Gregory Alan Williams als Detective Harding |
 | Otto Sanchez als Detective Timmons |
 | Matty Ferraro als Agent Janssen |
 | Griff Furst als Agent Burke |
 | Ian Etheridge als Skynet - 10 yrs old |
 | Nolan Gross als Skynet - 12 / 14 yrs old |
 | Seth Meriwether als Skynet - 18 yrs old |
 | Afemo Omilami als Perry |
 | Teri Wyble als Mariam |
 | Kerry Cahill als Lt. Whitley |
| Mark Adam als Kyle's Dad |
 | Kerry O'Malley als Kyle's Mom |
| Willa Taylor als Young Sarah |
 | James Moses Black als Security Guard #1 |
 | Terry Dale Parks als Security Guard #2 |
 | Douglas Smith als Eric Thompson |
 | Anthony Michael Frederick als Lead Cop |
 | Brandon Stacy als Uniform Cop |
 | Brett Azar als Guardian - Young / Terminator T-800 |
 | Douglas M. Griffin als Garber |
 | Thomas Francis Murphy als Derelict |
 | Joshua Mikel als Angry Driver |
 | John Edward Lee als Punk |
| Christion Troxell als Punk |
| Luke Sexton als Punk |
 | Aaron V. Williamson als Refugee / Terminator |
 | Tony Donno als Hospital Security Guard |
 | Ernest Wells als Garbage Man |
| Larry E. Lundy Jr. als Hero Guerria |
 | Ross P. Cook als Soldier |
| Christopher Heskey als Soldier |
 | Moses Munoz als Soldier |
 | Lisa McRee als Chat Show Host |
 | Seth Carr als Young Boy |
 | Bryant Prince als Young Kyle |
 | Michael D. Anglin als Guerrilla Soldier (uncredited) |
| John L. Armijo als San Francisco Cop #2 (uncredited) |
 | Ari Atken als Tiburon Kid on School Bus (uncredited) |
 | Terri Battee als Guerrilla Officer (uncredited) |
 | Patrick Constantine Bertagnolli Jr. als Officer Cazzuto (uncredited) |
 | David Cleveland Brown als Guerilla Soldier (uncredited) |
 | Carter Burch als Guerilla Soldier (uncredited) |
 | Lori Campbell als Doctor (uncredited) |
 | Kyle Clements als Commander Pike Sumner (uncredited) |
 | Christopher De Stefano als Civilian (uncredited) |
 | Matthew Gallagher als Commander Hanz (uncredited) |
 | Victoria Greene als Doctor (uncredited) |
 | Shawntae Hughes als Prisoner (uncredited) |
 | Lizeth Hutchings als Guerilla Soldier (uncredited) |
 | Jeffrey Johnson als Refugee (uncredited) |
 | Sergio Kato als Guerrilla Officer (uncredited) |
| Kevin Lapham als Cyberdyne Employee (uncredited) |
 | Justin Lebrun als Guerrilla Guard (uncredited) |
| Grinnell Morris als Sarah's Father (uncredited) |
 | Bill Rainey als Doctor (uncredited) |
 | Gus Rhodes als Cyberdyne Employee (uncredited) |
 | Samantha Sadoff als Tiburon Kid on School Bus (uncredited) |
 | William Schaff als Cyberdyne Employee / Soldier (uncredited) |
 | Giovanni Silva als Soldier (uncredited) |
 | Nathan O'Neil Smith als Officer Schanker (uncredited) |
 | Hannah Spiros als School Girl (uncredited) |
 | Todd T Taylor als Cop 1 (uncredited) |
 | Erica Teeple als Tiburon Kid on School Bus (uncredited) |
 | Dennis Thomas IV als Cyberdyne Employee (uncredited) |
| Edgar Leza als Detective (uncredited) |
| Alan Taylor | Director |
| Patrick Lussier | Screenplay |
| Laeta Kalogridis | Screenplay |
| James Cameron | Characters |
| Laeta Kalogridis | Executive Producer |
| Lorne Balfe | Original Music Composer |
| Dana Goldberg | Producer |
| Bill Carraro | Executive Producer |
| Kramer Morgenthau | Director of Photography |
| Gale Anne Hurd | Characters |
| Ronna Kress | Casting |
| Patrick Lussier | Executive Producer |
| Roger Barton | Editor |
| David Ellison | Producer |
| Neil Spisak | Production Design |
| Paul Schwake | Executive Producer |
| Megan Ellison | Executive Producer |
| Susan Matheson | Costume Design |
| Mara LePere-Schloop | Art Direction |
| Lori Harris | Set Costumer |
| Greg P. Russell | Sound Re-Recording Mixer |
| Greg Papalia | Art Direction |
| Elena Albanese | Assistant Art Director |
| Hayley Stuppel | Costume Supervisor |
| Greg ten Bosch | Sound Effects Editor |
| Tobias Poppe | Supervising Sound Editor |
| Gregory Irwin | First Assistant Camera |
| Nadia Nabhan | Digital Intermediate |
| Stacy Horn | Costume Supervisor |
| Ronald Hersey | Camera Operator |
| Lawrence Karman | Steadicam Operator |
| Melinda Sue Gordon | Still Photographer |
| Jason Jensen | First Assistant Camera |
| John Kairis | First Assistant Camera |
| Andrew Dumas | First Assistant Camera |
| Mike Beaulieu | Animation Supervisor |
| Tobias Poppe | Sound Designer |
| Csaba Wagner | Sound Effects Editor |
| Brett Laumann | Gaffer |
| David A. Wolf | Additional Camera |
| Rob Skuse | Rigging Grip |
| Marlene Chazot | Animation Director |
| David E. Scott | Art Direction |
| John T. Cucci | Foley |
| Michael Applebaum | Additional Camera |
| Glenn E. Moran | Rigging Gaffer |
| Diane Cornelius | Set Costumer |
| Dylan Goss | Helicopter Camera |
| Kenny G. Krauss | First Assistant Editor |
| Susan Strubel | Set Costumer |
| Ethan van der Ryn | Supervising Sound Editor |
| Larry Zanoff | Armorer |
| Andres Cubillan | Art Direction |
| Jeff Mossa | Art Direction |
| Mark Robert Taylor | Art Direction |
| John Hoskins | Construction Coordinator |
| Nancy Foreman | Seamstress |
| Anthony Rivera Jr. | Set Costumer |
| Anji Bemben | Hair Department Head |
| Fleur Morell | Makeup Artist |
| Erik Aadahl | Supervising Sound Editor |
| Elizabeth Coulon | Casting |
| Scott Millan | Sound Re-Recording Mixer |
| K.E.J. Stover | Rigging Grip |
| Robert Malina | First Assistant Editor |
| Mustapha Mimis | Set Costumer |
| Jeffery J. Tufano | Camera Operator |
| Mark Hawker | Special Effects Coordinator |
| Mitch Dubin | Camera Operator |
| Ken Fisher | Camera Operator |
| Jerry M. Jacob | Camera Operator |
| Phil Pastuhov | Helicopter Camera |
| Maren Brown | Art Department Coordinator |
| Greg Morris | Additional Camera |
| Ryan Watson | Rigging Grip |
| Bryan Lu | Armorer |
| Jay Hart | Set Decoration |
| Theresa Greene | Art Department Coordinator |
| Jennifer Tremont | Key Hair Stylist |
| Stacey Herbert | Makeup Artist |
| Hannah d'Angerio | Casting Associate |
| Lisa Love | Makeup Department Head |
| Nicole Sortillon Amos | Makeup Artist |
| Shreyas Dorwat | Special Effects Coordinator |
| Shawn D. Bronson | Assistant Art Director |
| Elaine Perlmann | Assistant Costume Designer |
| Jenny-King Turko | Makeup Artist |
| Joel Erickson | Sound Effects Editor |
| Timothy Lu | Armorer |
| Dawn Swiderski | Art Direction |
| Thayer Abaigael | Seamstress |
| Dan O'Connell | Foley |
| Jason W. Jennings | Sound Designer |
| Steven R. Mathis | Gaffer |
| Hans Bjerno | Helicopter Camera |
| Aaron Toups | Rigging Grip |
| Joel Kramer | Stunt Coordinator |
| Natalia Altavilla | Visual Effects Coordinator |
| Samuel Côté | Visual Effects Coordinator |
| Sean McGrath | Visual Effects Coordinator |
| John Stoneham Jr. | Stunt Coordinator |
| Melissa R. Stubbs | Stunt Coordinator |
| Scott Benza | Animation Supervisor |
| Nathan McConnel | Animation Supervisor |
| Laurent Gillet | Visual Effects Supervisor |
| Cliff Welsh | Visual Effects Supervisor |
| Edson Williams | Visual Effects Supervisor |
| Theo Demiris | Visual Effects Editor |
| Joseph Farrant | Visual Effects Editor |
| Rex Reddick | Stunt Coordinator |
| Mark Carr | Visual Effects Editor |
| Ashleigh Yu | Visual Effects Coordinator |
| Stanislas de Lesquen | Visual Effects Coordinator |
| Abi Cadogan | Visual Effects Editor |
| Katherine Renee Jones | Visual Effects Supervisor |
| Gary Hymes | Stunt Coordinator |
| Valeria di Gabriele | Visual Effects Coordinator |
| Marie-Hélène Weiss | Visual Effects Coordinator |
| Kevin Field | Visual Effects Producer |
| Shari Hanson | Visual Effects Producer |
| James M. Churchman | Stunt Coordinator |
| Thomas Nittmann | Visual Effects Producer |
| John Polyson | Visual Effects Editor |
| Raphael Fernandes | Visual Effects Coordinator |
| Chris Kowal | Visual Effects Editor |
| Linda Barsotti | Visual Effects Coordinator |
| Ali Griffiths | Visual Effects Coordinator |
| Chad Nixon | Visual Effects Producer |
| Fathy Hassan | Visual Effects Producer |
| Connie Grayson Criswell | Wigmaker |
| Jimmy N. Roberts | Stunts |
| Joey Moran | Electrician |
| Wendy Williams | Unit Production Manager |
| Aaron Haye | Supervising Art Director |
| Larry Blanford | Second Unit Director of Photography |
| Polly McKinnon | Dialogue Editor |
| Anna Rane | Script Supervisor |
| Ralph Osborn | Dialogue Editor |
| Nancy Nugent | Supervising Dialogue Editor |
| Alexander Witt | Second Unit Director of Photography |
| Diana Burton | Property Master |
| Nancy Nugent | Supervising ADR Editor |
| Adrien Flanquart | VFX Artist |
| Lisa Curtis Saunders | Software Engineer |
| David Sardi | First Assistant Director |
| Philip A. Patterson | First Assistant Director |
| Richard Oswald | Second Assistant Director |
| Shari Hanson | Associate Producer |
| Nick Brandon | Stunts |
| Hank Amos | Stunts |
| Martin De Boer | Stunts |
| Norb Phillips | Stunts |
| Joe Ross | Stunts |
| Jeff Wolfe | Stunts |
| Colin Follenweider | Stunts |
| Roel Failma | Stunts |
| Tim Garris | Stunts |
| Sam Looc | Stunts |
| Spice Williams-Crosby | Stunts |
| Scott Wilder | Stunts |
| Jessica Harbeck | Stunts |
| Monique McKellop | Stunts |
| Billy D. Lucas | Stunts |
| Steve Picerni | Stunts |
| Gavin J. Behrman | Production Supervisor |
| Tom Carson | Production Coordinator |
| Ryan Kunkleman | Digital Imaging Technician |
| Pud Cusack | Sound Mixer |
| Richard Bullock Jr. | Boom Operator |
| Jesse Olivares | Video Assist Operator |
| David Ross McCarty | Location Manager |
| David Schanker | Assistant Property Master |
| Harry Lu | Weapons Master |
| Carol Quiroz | Key Costumer |
| Benj Gibicsar | Ager/Dyer |
| Maria J. Smith-Byrd | Ager/Dyer |
| Donna Spahn | Key Hair Stylist |
| Yolanda Mercadel | Hairstylist |
| Bob Kretschmer | Wigmaker |
| Judah Getz | ADR Mixer |
| James Ashwill | Foley Mixer |
| Richard Duarte | Foley Mixer |
| John Guentner | Foley Mixer |
| Jane Wu | Storyboard Artist |
| Karl Shefelman | Storyboard Artist |
| Alex Hillkurtz | Storyboard Artist |
| Jeff Errico | Storyboard Artist |
| Michael Anthony Jackson | Storyboard Artist |
| Thomas A. Nelson | Storyboard Artist |
| Emma Sands-Milsom | Casting Assistant |
| David Krudis | Payroll Accountant |
| Christian Malouf | Payroll Accountant |
| Alex Gibson | Supervising Music Editor |
| Andrew Kawczynski | Additional Music |
| Dieter Hartmann | Additional Music |
| Òscar Senén | Orchestrator |
| Charley Bob Burnham | Transportation Coordinator |
| Tom Moore | Transportation Captain |
| David Guilbeau | Craft Service |
| Francie Brown | Dialect Coach |
| Sid Yost | Animal Wrangler |
| Cliff Fleming | Pilot |
| Cliff Fleming | Aerial Coordinator |
| Cory Fleming | Pilot |
| Hans Bjerno | Aerial Director of Photography |
| Dane Bjerno | Aerial Camera Technician |
| Peter Graf | Aerial Camera Technician |
| Peter Bebb | Visual Effects Supervisor |
| Rupert Porter | Visual Effects Producer |
| Robin Beard | Compositing Supervisor |
| Mare McIntosh | Visual Effects Producer |
| Allison Paul | Visual Effects Coordinator |
| Sun Lee | Matte Painter |
| Robert Olsson | Matte Painter |
| Grady Cofer | Visual Effects Supervisor |
| Dominic Parker | Visual Effects Supervisor |
| Bryan Jones | Visual Effects Supervisor |
| Kim Phelan | Visual Effects Producer |
| Mark Webb | Visual Effects Producer |
| Jayce Attewell | Visual Effects Coordinator |
| Michael Harden | Visual Effects Editor |
| Christine Dougherty | Digital Intermediate Producer |
| Mark Sahagun | Digital Intermediate Editor |
| Monty L. Simons | Stunts |
| Lisa Dempsey | Stunts |
| Tim Gilbert | Stunts |
| Alexander Witt | Second Unit Director |
| Mark De Alessandro | Stunts |
| Ashley Nicole Hudson | Utility Stunts |
| Corey Michael Eubanks | Stunts |
| Kurt D. Lott | Utility Stunts |
| Rob Bliss | Concept Artist |
