Career
He reprised his role 28 years later, providing the voice of Apone for the video game Aliens: Colonial Marines (2013). Matthews' portrayal of Apone was the inspiration for Sgt. Avery Johnson of the Halo franchise.
On his website, he states: "I spent six years in the United States Marine Corps. I hold thirteen combat awards and decorations, including two purple hearts. I was the first black Marine in the 1st Marine Division in Vietnam to be meritoriously promoted to the rank of sergeant.
I served with Kilo Battery, Fourth Battalion, 11th Marines, 1st Marine Division, of that I am very proud."
Matthews has played various acting other roles, such as a fire chief in Superman III (1983), General Tudor in The Fifth Element (1997) and Master Sergeant #3 in Tomorrow Never Dies (1997). He has also worked in British television, appearing in Grange Hill as the father of Benny Green, as well as in theater and radio. For the latter, as both an actor (on BBC Radio 4) and a presenter (on BBC Radio 1 and Capital Radio).
In 1975, he scored a musical hit in the UK Singles Chart, "Fool", which reached number 16 in the fall of that year.