"Key Largo” star (6)
I believe the answer is:
bogart
'key largo star' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bogart that I've seen before include "Rob gat from the old film star" , "American actor" , "Humphrey --, US film actor" , "Lauren Bacall's first actor husband, d. 1957" , "Famous player" .)