 | Arnold Schwarzenegger als The Terminator |
 | Jason Clarke als John Connor |
 | Emilia Clarke als Sarah Connor |
 | Jai Courtney als Kyle Reese |
 | J.K. Simmons als Detective O'Brien |
 | Dayo Okeniyi als Danny Dyson |
 | Matt Smith als Alex |
 | Courtney B. Vance als Miles Dyson |
 | Lee Byung-hun als T-1000 |
 | 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) |
 | Mikiah Aubert als Girl Playing on Beach (uncredited) |
 | Terri Battee als Guerrilla Officer (uncredited) |
 | Gregory Scott Bedford als Biker (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) |
 | Cabran E. Chamberlain als School Bus Driver (uncredited) |
| Kyle Clements als Commander Pike Sumner (uncredited) |
 | Christopher De Stefano als Civilian (uncredited) |
 | Gillian Alaire Espina als Tiburon Kid on School Bus (uncredited) |
 | Matthew Gallagher als Commander Hanz (uncredited) |
 | Justin Goldsmith als Guerrilla Soldier (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) |
 | Mark Lavell als Beach Goer (uncredited) |
| Justin Lebrun als Guerrilla Guard (uncredited) |
 | Starlette Miariaunii als Prison Rioter (uncredited) |
 | Mahal Montoya als Mom on the Beach (uncredited) |
| Grinnell Morris als Sarah's Father (uncredited) |
 | Bill Rainey als Doctor (uncredited) |
 | Diezel Ramos als Guerilla Soldier (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) |
 | Joseph Velez als Special Agent Romero (uncredited) |
| Douglas Wilcox II als Guerrilla Soldier (uncredited) |
| Ronna Kress | Casting |
| Gale Anne Hurd | Characters |
| James Cameron | Characters |
| Jay Hart | Set Decoration |
| Neil Spisak | Production Design |
| Roger Barton | Editor |
| John Stoneham Jr. | Stunt Coordinator |
| Greg Papalia | Art Direction |
| Joel Kramer | Stunt Coordinator |
| Laeta Kalogridis | Screenplay |
| Laeta Kalogridis | Executive Producer |
| Alexander Witt | Second Unit Director of Photography |
| Greg P. Russell | Sound Re-Recording Mixer |
| Larry Blanford | Second Unit Director of Photography |
| Bill Carraro | Executive Producer |
| Lisa Love | Makeup Department Head |
| Dana Goldberg | Producer |
| Patrick Lussier | Screenplay |
| Patrick Lussier | Executive Producer |
| Susan Matheson | Costume Design |
| Paul Schwake | Executive Producer |
| Kramer Morgenthau | Director of Photography |
| Melissa R. Stubbs | Stunt Coordinator |
| Dawn Swiderski | Art Direction |
| David Ellison | Producer |
| Alan Taylor | Director |
| Jeff Mossa | Art Direction |
| Gary Hymes | Stunt Coordinator |
| Connie Grayson Criswell | Wigmaker |
| Jimmy N. Roberts | Stunts |
| Dylan Goss | Helicopter Camera |
| Lorne Balfe | Original Music Composer |
| Mara LePere-Schloop | Art Direction |
| Robert Malina | First Assistant Editor |
| Megan Ellison | Executive Producer |
| Jerry M. Jacob | Camera Operator |
| David A. Wolf | Additional Camera |
| Jeffery J. Tufano | Camera Operator |
| Aaron Haye | Supervising Art Director |
| Anji Bemben | Hair Department Head |
| Steve Mathis | Gaffer |
| David E. Scott | Art Direction |
| Ken Fisher | Camera Operator |
| Stacy Horn | Costume Supervisor |
| Melinda Sue Gordon | Still Photographer |
| Elena Albanese | Assistant Art Director |
| Diana Burton | Property Master |
| Elizabeth Coulon | Casting |
| Sean McGrath | Visual Effects Coordinator |
| Dan O'Connell | Foley |
| Nancy Nugent | Supervising ADR Editor |
| Nancy Nugent | Supervising Dialogue Editor |
| Scott Millan | Sound Re-Recording Mixer |
| Ralph Osborn | Dialogue Editor |
| Tobias Poppe | Sound Designer |
| Tobias Poppe | Supervising Sound Editor |
| Anna Rane | Script Supervisor |
| Mark Robert Taylor | Art Direction |
| John T. Cucci | Foley |
| Lori Harris | Set Costumer |
| Erik Aadahl | Supervising Sound Editor |
| Ethan van der Ryn | Supervising Sound Editor |
| Mark Carr | Visual Effects Editor |
| James M. Churchman | Stunt Coordinator |
| Katherine Rodtsbrooks | Visual Effects Supervisor |
| Theresa Greene | Art Department Coordinator |
| John Hoskins | Construction Coordinator |
| Thomas Nittmann | Visual Effects Producer |
| Edson Williams | Visual Effects Supervisor |
| Mitch Dubin | Camera Operator |
| Hans Bjerno | Helicopter Camera |
| Mustapha Mimis | Set Costumer |
| Phil Pastuhov | Helicopter Camera |
| Polly McKinnon | Dialogue Editor |
| John Polyson | Visual Effects Editor |
| Ronald Hersey | Camera Operator |
| Abi Cadogan | Visual Effects Editor |
| Jason W. Jennings | Sound Designer |
| Anthony Rivera Jr. | Set Costumer |
| Lawrence Karman | Steadicam Operator |
| Stacey Herbert | Makeup Artist |
| Glenn E. Moran | Rigging Gaffer |
| Susan Strubel | Set Costumer |
| Greg Morris | Additional Camera |
| Mark Sahagun | Digital Intermediate |
| Greg ten Bosch | Sound Effects Editor |
| Michael Applebaum | Additional Camera |
| Hayley Stuppel | Costume Supervisor |
| Theo Demiris | Visual Effects Editor |
| Jane Wu | Storyboard |
| Nathan McConnel | Animation Supervisor |
| Marlene Chazot | Animation Director |
| Christine Dougherty | Digital Intermediate |
| Ryan Watson | Rigging Grip |
| Hannah d'Angerio | Casting Associate |
| Andres Cubillan | Art Direction |
| Shawn D. Bronson | Assistant Art Director |
| Maren Brown | Art Department Coordinator |
| Elaine Perlmann | Assistant Costume Designer |
| Thayer Abaigael | Seamstress |
| Nancy Foreman | Seamstress |
| Diane Cornelius | Set Costumer |
| Jennifer Tremont | Key Hair Stylist |
| Nicole Sortillon Amos | Makeup Artist |
| Fleur Morell | Makeup Artist |
| Jenny-King Turko | Makeup Artist |
| Joel Erickson | Sound Effects Editor |
| Csaba Wagner | Sound Effects Editor |
| Shreyas Dorwat | Special Effects Coordinator |
| Mark Hawker | Special Effects Coordinator |
| Brett Laumann | Gaffer |
| Aaron Toups | Rigging Grip |
| K.E.J. Stover | Rigging Grip |
| Rob Skuse | Rigging Grip |
| Jason Jensen | First Assistant Camera |
| John Kairis | First Assistant Camera |
| Gregory Irwin | First Assistant Camera |
| Andrew Dumas | First Assistant Camera |
| Mike Beaulieu | Animation Supervisor |
| Larry Zanoff | Armorer |
| Timothy Lu | Armorer |
| Bryan Lu | Armorer |
| Nadia Nabhan | Digital Intermediate |
| Kenny G. Krauss | First Assistant Editor |
| Natalia Altavilla | Visual Effects Coordinator |
| Linda Barsotti | Visual Effects Coordinator |
| Scott Benza | Animation Supervisor |
| Samuel Côté | Visual Effects Coordinator |
| Stanislas de Lesquen | Visual Effects Coordinator |
| Valeria di Gabriele | Visual Effects Coordinator |
| Joseph Farrant | Visual Effects Editor |
| Raphael Fernandes | Visual Effects Coordinator |
| Alison Griffiths | Visual Effects Coordinator |
| Marie-Hélène Weiss | Visual Effects Coordinator |
| Ashleigh Yu | Visual Effects Coordinator |
| Kevin Field | Visual Effects Producer |
| Shari Hanson | Visual Effects Producer |
| Fathy Hassan | Visual Effects Producer |
| Chad Nixon | Visual Effects Producer |
| Laurent Gillet | Visual Effects Supervisor |
| Chris Kowal | Visual Effects Editor |
| Cliff Welsh | Visual Effects Supervisor |
| Rex Reddick | Stunt Coordinator |
| Joey Moran | Electrician |
| Wendy Williams | Unit Production Manager |
