David Ramsey

David Ramsey was born in Detroit, Michigan. From 1997 to 1998, he appeared on the UPN sitcom Good News, starring as Pastor David Randolph. In 2000, he starred as Muhammad Ali in the Fox television movie Ali: An American Hero. Later that year, he appeared in Pay It Forward and started a recurring role in For Your Love. He has also starred in recurring roles in All of Us, The West Wing, CSI: Crime Scene Investigation, Ghost Whisperer, Wildfire, and Hollywood Residential. In 2008 to 2009, he appeared in 17 episodes of Dexter as Anton Briggs, a pot-smoking confidential informant who has an affair with Debra Morgan in Season 3 and at the start of Season 4. He appeared in an episode of Grey's Anatomy in 2010.

Ramsey appeared in the short-lived NBC courtroom drama series Outlaw in 2010, and in 2012 was included in the main cast for CW's superhero show Arrow as John Diggle, an ex-military who is Oliver's partner, confidant, and bodyguard.

Ramsey is an accomplished martial artist. Holding a black belt in jeet kune do, he has also studied boxing and tae kwon do, and has trained in kickboxing under Benny "Jet" Urquidez.