Actor is not funny — this artist tries to be (10)

I believe the answer is:

cartoonist

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'this artist tries to be' is the definition.
'cartoonist' can be an answer for 'artist' (cartoonist is a kind of artist). I'm not certain of the rest of the definition.

'actor is not funny' is the wordplay.
'funny' indicates an anagram.
'actor'+'is'+'not'='actorisnot'
'actorisnot' with letters rearranged gives 'CARTOONIST'.

Can you help me to learn more?

(Other definitions for cartoonist that I've seen before include "drawer" , "Low" , "Heath Robinson, say" , "Eg, Peter Brookes" , "Strip artist?" .)

I've seen this clue in The Times.

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