Mat Beck is the Entity FX founder, and the Visual Effects supervisor of Smallville.
He also directed the following episode:
- Prototype (written by Steven S. DeKnight) - Lex has been secretly trying to turn Wes Keenan, a military man who supposedly died fighting in Afghanistan, into a "super soldier" by injecting him with DNA pulled from the various meteor freaks he has captured. After a crooked senator threatens to expose his secret labs, Lex dispatches Wes to kill the senator, but Lois witnesses the attack and inadvertently becomes the super soldier's next target. Clark asks Lana for any information she might know about Lex's project.
- Mat previously had done some second unit direction for Smallville and has had a lot of previous experience as a camera operator and VF/X supervisor in feature films and TV, Titanic and X-files among them.