John , director of the films Rounders and The Last Seduction (4)
I believe the answer is:
dahl
(Other definitions for dahl that I've seen before include "'Roald ..., children's author (4)'" , "British author, notably of children's books, d.1990" , "Indian dish of legumes and spices" , "Model" , "Roald - - (deviser of Willy-Wonka)" .)