Mark Wahlberg
Cade Yeager
Laura Haddock
Viviane Wembly
Peter Cullen
Optimus Prime (voice)
Anthony Hopkins
Sir Edmund Burton
Erik Aadahl
Bumblebee (voice)
Josh Duhamel
Colonel William Lennox
Gemma Chan
Quintessa
Jim Carter
Cogman (voice)
Santiago Cabrera
Santos
Isabela Merced
Izabella
Jerrod Carmichael
Jimmy
Stanley Tucci
Merlin
Liam Garrigan
Arthur
Martin McCreadie
Lancelot
Rob Witcomb
Percival
Marcus Fraser
Gawain
John Hollingworth
Tristan
Daniel Adegboyega
Saebert
Benjamin Maurice Webb
Hengist
Glenn Morshower
General Morshower
John Turturro
Agent Simmons
Tony Hale
JPL Engineer
Claude Knowlton
JPL Director
Jacob Zachar
Young JPL Engineer
Maggie Steed
Viviane's Grandmum
Sara Stewart
Viviane's Mum
Phoebe Nicholls
Aunt Helen
Rebecca Front
Aunt Marie
Stephen Hogan
Viviane's Father
Minti Gorne
Young Viviane
Benjamin Flores Jr.
Kid
Aisha Kabia
Lawyer
Andy Bean
Lawyer
Mark Dexter
U.K. Prime Minister
Rob Jarvis
Downing Street Policeman
Tim Downie
Polo Player
Elizabeth Croft
High Society Woman
Christina Tam
Scientist
Pauline McLynn
Female Researcher
Mia Maria
Student
Seeta Indrani
News Reporter
Phill Langhorne
News Reporter
Simon Harrison
News Reporter
Wendy Albiston
Submarine Ticket Agent
John Burke
Pentagon Colonel
Barbara Eve Harris
Pentagon Colonel
Granville Ames
Pentagon Official
Jim Wisniewski
Government Suit
Mitch Pileggi
TRF Group Leader
Remi Adeleke
TRF Lieutenant
Vincent Jerome
TRF Operator
Alan Pietruszewski
F-35 Pilot
Drew Waters
F-16 Pilot
Walles Hamonde
American Serviceman
Tom Wright
Military Attache
Dan Warner
Military Attache
Charlie Bouguenon
Namibian Scientist
Jandre le Roux
Namibian Scientist
Frank Welker
Megatron (voice)
John Goodman
Hound (voice)
Ken Watanabe
Drift (voice)
Steve Buscemi
Daytrader (voice)
Omar Sy
Hot Rod (voice)
Reno Wilson
Mohawk / Sqweeks (voice)
John DiMaggio
Nitro Zeus / Crosshairs (voice)
Tom Kenny
Wheels (voice)
Jess Harnell
Barricade (voice)
Mark Ryan
WWI Tank / Lieutenant (voice)
Steven Barr
Nitro Zeus / Volleybot (voice)
Gil Birmingham
Chief Sherman (uncredited)
Eddie Hall
Saxon Warrior (uncredited)
Kevin Kent
TRF Group Leader (uncredited)
Jude Poyer
German Soldier (uncredited)
