Crossword Genius

Heavy role for an actor (4)

Ross

I believe the answer is:

lead

I believe this is a triple definition!

'heavy' is the first definition.
(thesaurus)

'role' is the second definition.
(thesaurus)

'for an actor' is the third definition.
(lead is a kind of actor)

(Other definitions for lead that I've seen before include "Take a position in front" , "Metal - van - go ahead" , "pioneer" , "Travel in front of" , "Guide; graphite" .)

I've seen this clue in The Globe and Mail.
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