David Rees Snell is an actor best known for his role as Detective Ronnie Gardocki on the crime drama The Shield. He has also had recurring roles on The Unit, Party of Five, S.W.A.T., and Silicon Valley. He has guest starred on such shows as Hawthorne, Numb3rs, Lie to Me, Sons of Anarchy, Last Resort, Criminal Minds, and Leverage. Snell also co-starred in the Hallmark TV movie Desolation Canyon.

He attended the University of Kansas as a theatre major and worked on the stage before becoming involved in TV work.

Snell is also a voice actor, who has appeared in such short films as P1 and Draw the Pirate. He also had speaking roles in a number of video games including Need for Speed: Undercover and Call of Duty 2 Big Red One.