Human Cast
Sam Witwicky - Shia Labeouf
Michael Witwicky - Timothée Chalamet
William Lennox - Josh Duhamel
Robert Epps - Tyrese Gibson
Ron Witwicky - Kevin Dunn
Judy Witwicky - Julie White
Bobby Bolivia - Bernie Mac
Ramon Rodriguez - Leo Spitz
Megan Fox - Mikaela Banes
Carly Spencer - Rosie Whiteley
Seymour Simmons - John Turturro
Theodore Galloway - John Hickey
Charlotte Mearing - Frances McDormand
Dutch Gerhardt - Alan Tudyk
Alexi Voshkod - Ravil Isyanov
Jerry "Deep" Wang - Ken Jeong
Bruce Brazos - John Malkovich
Cade Yeager - Mark Wahlberg
Tessa Yeager - Nicola Peltz
Shane Dyson - Jack Reynor
Lucas Flannery - T.J. Miller
Izabella - Isabela Merced
Viviane Wembley - Laura Haddock
Haruka Hoshino - Sakura Miyawaki
Jimmy - Jerrod Carmichael
Joshua Joyce/Merlin - Stanley Tucci
Tom Banacheck - Michael O'Neil
General Morshower - Glenn Morshower
Glen Whittman - Anthony Anderson
Maggie Midsen - Rachael Taylor
General Graham - Matthew Marshden
General Burke - Brian Shehan
General Stone - Josh Kelly
Darcy Tirrel - Sophia Myles
Su Yueming - Li Bingbing
Sir Edmund Burton - Anthony Hopkins
Captain Archibald Witwicky - W. Morgan Sheppard
King Arthur - Liam Garrigan
Harold Attinger - Kelsey Grammer
James Savoy - Titus Welliver
Santos - Santiago Cabrera
Buzz Aldrin
Bill O'Reilly
...
Robots Voice Cast
Optimus Prime - Peter Cullen
Megatron - Hugo Weaving
Bumblebee - Dylan O'Brien
Ironhide - Jess Harnell
Jazz - Darius McCrary
Ratchet - Robert Foxworth
Cliffjumper - Dwayne Johnson
Mirage - Pete Davidson
Arcee - Sumalee Montano
Prowl - Jeff Bennet
Starscream - Charlie Adler
Barricade - Jess Harnell
Blackout - Noah Nelson
Skywarp - Richard Epcar
Brawl - David Sobolov
Bonecrusher - Jimmie Wood
Blast Off - Keith Silverstein
Sideswipe - Andre Sogliuzzi
Brawn - Nolan North
Knockout - Nolan North
Mudflap - Reno Wilson
Skids - Tom Kenny
Jetfire - Mark Ryan
Wheelie - Tom Kenny
Brains - Reno Wilson
Elita One - Lindsay Rousseau
Chromia - Liza Koshy
Silverbolt - Nolan North
Breakaway - Steve Blum
The Fallen - Tony Todd
Soundwave - Frank Welker
Skyquake - David Sobolov
Long Haul - Neil Kaplan
Mixmaster - David Boat
Rampage - Kevin Michael Richardson
Demolisher - Noah Nelson
Devastator - Frank Welker
Sideways - John Dimaggio
Grindor - Noah Nelson
Alice/Pretender - Isabel Lucas
Sentinel Prime - Leonard Nimoy
Dino - Francesco Quinn
Wheeljack - James Horan
Skyhammer - Nolan North
Roadbuster - Ron Botita
Topspin - Steven Barr
Leadfoot - John Dimaggio
Trailbreaker - Troy Baker
Thundercracker - Graham Mctavish
Shockwave - Jon Bailey
Breakdown - Crispin Freeman
Dragstrip - Will Friedle
Blitzwing - David Sobolov
Crowbar - Steven Barr
Crankcase - Steven Barr
Hound - John Goodman
Drift - Ken Watanabe
Crosshairs - John Dimaggio
Blurr - Max Mittleman
Red Alert - Tara Strong
Bulkhead - Kevin Michael Richardson
Lockdown - Mark Ryan
Airachnid - Gina Torres
Galvatron - Frank Welker
Cyclonus - Steve Blum
Grimlock - Greg Berger
Slug - Travis Willingham
Ultra Magnus - Michael Ironside
Hot Rod - Ben Pronsky
Sqweeks - Reno Wilson
Cogman - Jim Carter
Onslaught - John Dimaggio
Motormaster - Fred Tatasciore
Nitro Zeus - Steven Barr
Berserker - Steven Barr
Mohawk - Reno Wilson
Shatter - Angela Bassett
Dropkick - Justin Theurox
Vortex - David Boat
Wasp - Troy Baker
Dreadbot - Steven Barr
Quintessa - Gemma Chan
Unicron - Colman Domingo