Matthew Mercer as Diamondhead - Ben 10: Race Against Time (Animated Version) Fan Cast | myCast.io
Matthew Mercer
Age: 44
male
Matthew Christopher Miller, known professionally as Matthew Mercer, (born on June 29, 1982) is an actor and producer, known for Resident Evil: Damnation (2012), Monsters University (2013) and Resident Evil 6 (2012).
The Tennysons must stop a rapidly aging 1/2 human and alien named Eon who plans to open a doomsday-like rift that leads to an alien invasion in their hometown of Bellwood.
