"Luther" actor Idris (4)
I believe the answer is:
elba
(Other definitions for elba that I've seen before include "Exile isle for Napoleon" , "''Able was I ere I saw . . . .'' (4)" , "Napoleon prison isle" , "Italian isle" , "Italian island" .)
I believe the answer is:
elba
(Other definitions for elba that I've seen before include "Exile isle for Napoleon" , "''Able was I ere I saw . . . .'' (4)" , "Napoleon prison isle" , "Italian isle" , "Italian island" .)