| Hailee Steinfeld | .... | Charlie |
| Jorge Lendeborg, jr. | .... | Memo |
| John Cena | .... | Agent Burns |
| Jason Drucker | .... | Otis |
| Pamela Adlon | .... | Sally |
| Stephen Schneider | .... | Ron |
| Ricardo Hoyos | .... | Tripp |
| John Ortiz | .... | Dr. Powell |
| Glynn Turman | .... | General Whalen |
| Len Cariou | .... | Uncle Hank |
| Kollin Holtz | .... | Craig |
| Gracie Dzienny | .... | Tina |
| Fred Dryer | .... | Sheriff Lock |
| Isabelle Ellingson | .... | Mean Girlfriend |
| Mika Kubo | .... | Mean Girlfriend |
| Felicia Stiles | .... | Party Goer |
| George Anagnostou | .... | Party Goer |
| Brandon Wardle | .... | Party Goer |
| Lenny Jacobson | .... | Roy |
| Megyn Price | .... | Amber |
| Krystin Noel Goodwin | .... | News Reporter |
| Nick Pilla | .... | Young Agent Simmons |
| Sachin Bhatt | .... | Pilot Hutton |
| Tim Martin Gleason | .... | Charlie's Dad |
| David Waters | .... | Impatient Guy |
| Antonio D. Charity | .... | Bill the Mechanic |
| Courtney Coker | .... | Young Agent |
| Edwin Hodge | .... | Danny |
| Jake Huang | .... | Danny's Paintball Team |
| Holland Diaz | .... | Danny's Paintball Team |
| David Cutler | .... | Danny's Paintball Team |
| Lars Slind | .... | Humvee Driver |
| Dylan O'Brien | .... | Bumblebee (voice) |
| Peter Cullen | .... | Optimus Prime (voice) |
| Angela Bassett | .... | Shatter (voice) |
| Justin Theroux | .... | Dropkick (voice) |
| David Sobolov | .... | Blitzwing (voice) |
| Grey Griffin | .... | Arcee (voice) |
| Jon Bailey | .... | Shockwave / Soundwave (voice) |
| Steve Blum | .... | Wheeljack (voice) |
| Andrew Morgado | .... | Cliffjumper (voice) |
| Kirk Baily | .... | Brawn / Decepticon Soldier (voice) |
| Dennis Singletary | .... | Ratchet (voice) |
| Nico Abiera | .... | Boardwalk Patron (uncredited) |
| Yianni Apostolopolous | .... | Teen Party Goer (uncredited) |
| Jace Areff | .... | Karate Studio Friend (uncredited) |
| Manny Avina | .... | Karate Student (uncredited) |
| William W. Barbour | .... | Neighbor (uncredited) |
| Meghan Barrett | .... | Party Goer / Mean Girl (uncredited) |
| Robert Perry Bierman | .... | Neighbor (uncredited) |
| Paul Black | .... | Agent Scott (uncredited) |
| Marcella Bragio | .... | 80's girl (uncredited) |
| Walker Brinskele | .... | Party Goer (uncredited) |
| Natalie Conneely | .... | Camper (uncredited) |
| Steve Dakota | .... | Townie (uncredited) |
| Ryan Day | .... | Party Goer (uncredited) |
| Rachel DeAngelis | .... | Boardwalk Goer (uncredited) |
| Matthew Dunn | .... | Agent Marks (uncredited) |
| Chance Falcon | .... | YoYo Kid (uncredited) |
| Michelle Fang | .... | Mean Girl / Party Goer (uncredited) |
| Logan Fromme | .... | Ride Enthusiast (uncredited) |
| Mateo Garcia | .... | Otis Dojo's Friend (uncredited) |
| Apollo Garza | .... | Sheriff Deputy (uncredited) |
| Travis Grenke | .... | Agent Burn's Agent (uncredited) |
| Matthew B. Henry | .... | Sector 7 Agent (uncredited) |
| Damon Hoffman | .... | Soldier (uncredited) |
| Stephanie Holden | .... | Teen Party Goer (uncredited) |
| Antoine Holmes Sr. | .... | Sector 7 Army Soldier (uncredited) |
| Spencer Holmes | .... | Sector 7 Army Soldier (uncredited) |
| William Shay House | .... | Soldier (uncredited) |
| Logan Hunt | .... | Young Agent (uncredited) |
| Christian Hutcherson | .... | Howie (Sector 7 Tech) (uncredited) |
| Mia Jómor | .... | Party-Goer (uncredited) |
| Paul Kennedy Jr. | .... | Lance Corporal Martin (uncredited) |
| Kevin Kent | .... | Sector 7 Machine Gunner (uncredited) |
| Brian Korsmeier | .... | Boardwalk Pedestrian With Camera (uncredited) |
| Joseph Krachenfels | .... | Sheriff (uncredited) |
| Anthony Latona | .... | Agent Crest (uncredited) |
| Reuben J. Lee | .... | Army APC .50 Cal Gunner (uncredited) |
| Alivia Levie | .... | Sector 7 Agent (uncredited) |
| John Lobato | .... | Party Goer (uncredited) |
| Rory Markham | .... | Agent Adams (uncredited) |
| Chris Markle | .... | Corporal Taylor (uncredited) |
| Eric Martinez | .... | Teenager (uncredited) |
| Andrea Lea Martzipan | .... | Boardwalk Patron (uncredited) |
| Sasha McCulloch | .... | Boardwalk Teenager (uncredited) |
| Heidi Michaelis | .... | Neighbor (uncredited) |
| Ed Moy | .... | Karate Instructor (uncredited) |
| Sierra Anne Murphy | .... | Boardwalk Teenager (uncredited) |
| Erin Nolan | .... | Townie (uncredited) |
| Dave Reaves | .... | Humvee Machine Gunner (uncredited) |
| Jeff Redlick | .... | Neighbor (uncredited) |
| Agustin Reiter | .... | Boardwalk Teen (uncredited) |
| Rick Richardson | .... | Sheriff (uncredited) |
| Christopher Mark Rodriguez | .... | Sector 7 Agent (uncredited) |
| Antonio Rosa | .... | Sector 7 Agent (uncredited) |
| Vanessa Ross | .... | The Mean Girl (uncredited) |
| Boston Rush Freeman | .... | Otis' Dojo Friend (uncredited) |
| Gregory Schwabe | .... | Sector 7 Tank .50 Cal Gunner (uncredited) |
| Andrew Spach | .... | Drunk guy (uncredited) |
| Thomas W. Stewart | .... | Townie (uncredited) |
| Jesse Stoudt | .... | Boardwalk Pedestrian (uncredited) |
| Ken Thrift | .... | Local (uncredited) |
| Tony Toste | .... | Roller Coaster Rider (uncredited) |
| Deena Trudy | .... | Sector 7 Agent (uncredited) |
| Etienne Vick | .... | Townie (uncredited) |
| Galen G. Wathen | .... | Neighbor (uncredited) |
| Barry Alan Williams | .... | Boardwalk Patron (uncredited) |
| Pablo Zavala | .... | Neighbor (uncredited) |