Transformers: The Last Knight Cast

Cade Yeager is an inventor and mechanic who helps the Autobots while trying to protect his family.

Viviane Wembly is a British lord and scholar who is linked to Merlin and the search for a powerful staff.

Optimus Prime is the leader of the Autobots who plays a central role in the conflict over Cybertron and Earth.

Sir Edmund Burton is a retired historian who studies the long relationship between humans and the Transformers.

Bumblebee is an Autobot scout who rarely speaks and acts as a protector and friend to human allies.

Colonel William Lennox is a military officer who teams with the Autobots to respond to global threats.

Quintessa is a mysterious alien who claims to be the creator of the Transformers and seeks to reshape events.

Cogman is a humanoid-transformer butler who assists Sir Edmund Burton and the human characters.

Santos is an associate who becomes involved in the hunt for Cybertronian artifacts.

Izabella is a teenage scavenger who cares for small Transformers and helps the Autobots when she can.

Jimmy is a friend and ally who supports Cade in his efforts to protect his family and the Autobots.

Merlin is an ancient figure tied to Earth's history with the Transformers and to a powerful magical staff.