Mark Wahlberg

Cade Yeager

Josh Duhamel

Col. William Lennox

Stanley Tucci

Wizard Merlin

Anthony Hopkins

Sir Edmund Burton

Laura Haddock

Vivian Wembly

Jerrod Carmichael

Jimmy

Isabela Merced

Izabella

Santiago Cabrera

Santos

Minti Gorne

Young Viviane

John Turturro

Seymour Simmons

Glenn Morshower

General Morshower

Liam Garrigan

King Arthur

Peter Cullen

Optimus Prime / Nemesis Prime (voice)

Mitch Pileggi

TRF Group Leader

Tony Hale

JPL Engineer

Gemma Chan

Quintessa

Frank Welker

Megatron (voice)

Erik Aadahl

Bumblebee (voice)

Jim Carter

Cogman (voice)

Omar Sy

Hot Rod (voice)

Ken Watanabe

Drift (voice)

John Goodman

Hound (voice)

John DiMaggio

Crosshairs / Nitro Zeus (voice)

Steven Barr

Topspin (voice)

Reno Wilson

Sqweeks / Mohawk (voice)

Mark Ryan

Lieutenant / Bulldog (voice)

Jess Harnell

Barricade (voice)

Tom Kenny

Wheelie (voice)

Steve Buscemi

Daytrader (voice)

Gil Birmingham

Chief Sherman

Nicola Peltz Beckham

Tessa Yaeger (voice)

Shia LaBeouf

Sam Witwicky (archive photo)

Sophia Myles

Darcy

Benjamin Flores Jr.

Kid

Andy Bean

Lawyer

Walles Hamonde

American Serviceman

Martin McCreadie

Lancelot

John Hollingworth

Tristan

Aisha Kabia

Lawyer

Elizabeth Croft

High Society Woman

Stephen Hogan

Viviane's Father

Dan Warner

Military Attache

Juliocesar Chavez

Kid

Daniel Adegboyega

Saebert

Claude Knowlton

JPL Director

Sam Yim

Lawyer

Christina Tam

Scientist

Rob Witcomb

Percival

Phill Langhorne

News Reporter

Marcus Fraser

Gawain

Ben Webb

Hengist

Jacob Zachar

Young JPL Engineer

Maggie Steed

Viviane's Grandmum

Barbara Eve Harris

Pentagon Colonel

Sara Stewart

Viviane's Mum

Phoebe Nicholls

Aunt Helen

Rebecca Front

Aunt Marie

Samuel Parker

Kid

Daniel Iturriaga

Kid

Mark Dexter

U.K. Prime Minister

Rob Jarvis

Downing Street Policeman

Tim Downie

Polo Player

Emily Tierney

High Society Woman

Wolfgang Young

Saxon Knight

Nicholas Khan

Scientist

Leighton Sharpe

Scientist

Aiyaz Ahmed

Scientist

Pauline McLynn

Female Researcher

Matthew Castle

Student

Mia Maria

Student

Poppy Carter

Student

Seeta Indrani

News Reporter

Simon Harrison

News Reporter

Wendy Albiston

Submarine Ticket Agent

John Burke

Pentagon Colonel

Granville Ames

Pentagon Official

Jim Wisniewski

Government Suit

Remi Adeleke

TRF Lieutenant

Perry Yee

TRF Operator

Brian William Price

TRF Operator

Vincent Jerome

TRF Operator

Alan Pietruszewski

F-35 Pilot

Christoper Vasquez

F-16 Pilot

Krista Schaeffer

Osprey Pilot

Tom Wright

Military Attache

Charlie Bouguenon

Namibian Scientist

Charlie Bouguenon

Namibian Scientist

Jandre le Roux

Namibian Scientist

Michael Richard

Namibian Scientist

Kevin Kent

TRF Group Leader (uncredited)

Drew Waters

F-16 Pilot

Jude Poyer

German Soldier (uncredited)

Eddie Hall

Saxon Warrior (uncredited)

Benjamin Maurice Webb

Hengist