Cade Yeager
Viviane Wembly
Optimus Prime (voice)
Sir Edmund Burton
Bumblebee (voice)
Colonel William Lennox
Quintessa
Cogman (voice)
Santos
Izabella
Jimmy
Merlin
Arthur
Lancelot
Percival
Gawain
Tristan
Saebert
Hengist
General Morshower
Agent Simmons
JPL Engineer
JPL Director
Young JPL Engineer
Viviane's Grandmum
Viviane's Mum
Aunt Helen
Aunt Marie
Viviane's Father
Young Viviane
Kid
Lawyer
U.K. Prime Minister
Downing Street Policeman
Polo Player
High Society Woman
Saxon Knight
Scientist
Female Researcher
Student
News Reporter
Submarine Ticket Agent
Pentagon Colonel
Pentagon Official
Government Suit
TRF Group Leader
TRF Lieutenant
TRF Operator
F-35 Pilot
F-16 Pilot
Osprey Pilot
American Serviceman
Military Attache
Namibian Scientist
Megatron (voice)
Hound (voice)
Drift (voice)
Daytrader (voice)
Hot Rod (voice)
Mohawk / Sqweeks (voice)
Nitro Zeus / Crosshairs (voice)
Wheels (voice)
Barricade (voice)
WWI Tank / Lieutenant (voice)
Nitro Zeus / Volleybot (voice)
Chief Sherman (uncredited)
Saxon Warrior (uncredited)
TRF Group Leader (uncredited)
German Soldier (uncredited)