Ashley Anthony Walters (born 30 June 1982) is a British actor and rapper, also known by his stage name Asher D. He first rose to fame as a member of the UK garage group So Solid Crew, hitting the top spot on the UK charts with their second single "21 Seconds". Walters is best known for portraying drug dealer Dushane in the hit British crime drama Top Boy.

Walters has also had an active acting career. After gaining recognition in the early 2000s for his roles in Storm Damage (2000) Bullet Boy (2004), Get Rich or Die Tryin'  (2005) and Life and Lyrics (2006), Walters achieved nationwide fame in the 2010s for his lead role as Dushane Hill in the British crime series Top Boy and as Ronnie Pike Jr. in the Sky One police procedural series Bulletproof, which he co-created with Noel Clarke and Nick Love. He has also appeared in British TV shows such as Grange Hill, The Bill, Holby City, Doctor Who, Silent Witness and the 2015 BBC police programme Cuffs.