Retired Thespian appearing as Shylock (7)

I believe the answer is:

exactor

'shylock' is the definition.
(I've seen this before)

'retired thespian' is the wordplay.
'retired' becomes 'ex' (prefix meaning former or onetime).
'thespian' becomes 'actor' (synonyms).
'ex'+'actor'='EXACTOR'

'appearing as' is the link.

(Other definitions for exactor that I've seen before include "Person squeezing" , "Core tax (anag.)" , "Extortioner" , "He demands payment" , "Blackmailer" .)

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

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