Mark Wahlberg as Cade Yeager

Peter Cullen as Optimus Prime (voice)

Stanley Tucci as Joshua Joyce

Kelsey Grammer as Harold Attinger

Nicola Peltz Beckham as Tessa Yeager

Jack Reynor as Shane Dyson

Frank Welker as Galvatron (voice)

Sophia Myles as Darcy Tirrel

Li Bingbing as Su Yueming

Titus Welliver as James Savoy

John Goodman as Hound (voice)

Ken Watanabe as Drift (voice)

John DiMaggio as Crosshairs (voice)

Mark Ryan as Lockdown (voice)

T.J. Miller as Lucas Flannery

James Bachman as Gill Wembley

Thomas Lennon as Chief of Staff

Charles Parnell as CIA Director

Erika Fong as CIA Analyst

Han Geng as Convertible Passenger

Michael Christopher Collins as CIA Analyst

Zou Shiming as Elevator Boxer

Richard Riehle as Theater Landlord

Patrick Bristow as Landlord's Grandson

Cleo King as Realtor

Calvin Wimmer as Realtor Client

Glenn Keogh as Arctic Site Foreman

David Midthunder as Arctic Site Guard

Richard Gallion as Air Force Operator

Nick Horst as Air Force Technician

Kassem Gharaibeh as Wembley's Associate

Edward T. Welburn as KSI Executive

Yanis Kalnins as KSI Security Chief

Peter A Kelly as KSI Guard

Jessica Gomes as KSI Spokesmodel

Andreas Beckett as KSI Scientist

Alexander Leeb as KSI Scientist

Jamison Haase as KSI Robot Controller

Drew Wicks as KSI Robot Controller

Gene Shieh as KSI Factory Executive

Woei Bee as KSI Factory Executive

Wang Ying as KSI Greeter

William Wang as KSI Worker

Melanie Specht as Joshua's Assistant

Abigail Klein as Joshua's Assistant

Greg Matthew Anderson as Joshua's Assistant

Austin Lin as Attinger's Driver

Victoria Summer as Joshua's Assistant

Kevin Covais as Dorky Driver

B. Adam Baillio as Robot Thief

Mikal Vega as Cemetery Wind Team

Andrew Arrabito as Cemetery Wind Team

Tyrone Smith as Cemetery Wind Team

Kenny Sheard as Cemetery Wind Team

Kevin Kent as Cemetery Wind Team

Michael Wong as Hong Kong Police Chief

Winston Yeh Ying-Wen as Hong Kong Man in Suit

Ray Lui as Motorcycle Owner

Candice Zhao as Woman in Elevator

Li Jun Ting as Hong Kong Police Officer

Howard Y. Woo as Hong Kong Police Officer

Jingsheng Yu as Hong Kong Police Officer

Ben Wang as Hong Kong Police Officer

Eddie San Chan as Hong Kong Police Officer

Zhang Tianyu as Pangu Hotel Greeter

Wu Gang as Chinese Minister of Defense

Teresa Daley as Assistant to Minister of Defense

Robert Foxworth as Ratchet (voice)

Reno Wilson as Brains (voice)

Michael Bay as Truck Passenger (uncredited)