Mark Wahlberg

Cade Yeager

Peter Cullen

Optimus Prime (voice)

Stanley Tucci

Joshua Joyce

Kelsey Grammer

Harold Attinger

Nicola Peltz Beckham

Tessa Yeager

Jack Reynor

Shane Dyson

Frank Welker

Galvatron (voice)

Sophia Myles

Darcy Tirrel

Li Bingbing

Su Yueming

Titus Welliver

James Savoy

John Goodman

Hound (voice)

Ken Watanabe

Drift (voice)

John DiMaggio

Crosshairs (voice)

Mark Ryan

Lockdown (voice)

T.J. Miller

Lucas Flannery

James Bachman

Gill Wembley

Thomas Lennon

Chief of Staff

Charles Parnell

CIA Director

Erika Fong

CIA Analyst

Han Geng

Convertible Passenger

Michael Christopher Collins

CIA Analyst

Zou Shiming

Elevator Boxer

Richard Riehle

Theater Landlord

Patrick Bristow

Landlord's Grandson

Cleo King

Realtor

Glenn Keogh

Arctic Site Foreman

David Midthunder

Arctic Site Guard

Richard Gallion

Air Force Operator

Nick Horst

Air Force Technician

Kassem Gharaibeh

Wembley's Associate

Edward T. Welburn

KSI Executive

Yanis Kalnins

KSI Security Chief

Peter A Kelly

KSI Guard

Jessica Gomes

KSI Spokesmodel

Andreas Beckett

KSI Scientist

Alexander Leeb

KSI Scientist

Jamison Haase

KSI Robot Controller

Drew Wicks

KSI Robot Controller

William Wang

KSI Worker

Melanie Specht

Joshua's Assistant

Abigail Klein

Joshua's Assistant

Greg Matthew Anderson

Joshua's Assistant

Austin Lin

Attinger's Driver

Victoria Summer

Joshua's Assistant

Kevin Covais

Dorky Driver

B. Adam Baillio

Robot Thief

Mikal Vega

Cemetery Wind Team

Andrew Arrabito

Cemetery Wind Team

Kenny Sheard

Cemetery Wind Team

Kevin Kent

Cemetery Wind Team

Michael Wong

Hong Kong Police Chief

Ray Lui

Motorcycle Owner

Candice Zhao

Woman in Elevator

Ben Wang

Hong Kong Police Officer

Wu Gang

Chinese Minister of Defense

Teresa Daley

Assistant to Minister of Defense

Robert Foxworth

Ratchet (voice)

Reno Wilson

Brains (voice)

Michael Bay

Truck Passenger (uncredited)