Lieutenant Colonel Ross Joseph Neill (Ret.), Starfleet Marine Corps (born November 15, 2328, in Easthaven, Reydovan Prime) is a fictional character created by Joshua Underwood in the Star Trek universe. He is the eldest of Jeremiah Neill's two sons, and has been portrayed by Garret Dillahunt since 2005. He was originally created in 2003, portrayed by Jason London. (His brother Jeremy portrayed Neill's younger son, Jeremiah Robert, Jr.)