Danny Green (26 May 1903 – 1973) was an English actor. He was best known for his role as the slow-witted ex-boxer "One-Round" Lawson in The Ladykillers. He worked regularly in film, television and on the stage, including playing comic gangsters in the original London productions of Guys and Dolls (1953) and Do Re Mi (1961). One of his last roles was as Lord Surrey in the Randal and Hopkirk episode Just for the Record in 1969. (Via Wikipedia)
