You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: "GUN" SMOKE 
Clue: A bird dog may lose its job if it's this, afraid of loud noises
gun-shy

Category: MR. ROBINSON 
Clue: Walker Smith used this name as a professional boxer
sugar ray robinson

Category: PART: CHARLES 
Clue: In the '80s, he played Charles Ryder, a central character in TV's "Brideshead Revisited"

jeremy irons