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