Apprehend actor Jimmy? (4)

I believe the answer is:

nail

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This clue could be a double definition.

'apprehend' is the first definition.
(I know that apprehend can be written as nail)

'actor jimmy?' is the second definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

Can you help me to learn more?

(Other definitions for nail that I've seen before include "SECOND PART OF 17" , "Thin pointed fastener" , "one under the hammer" , "Brad, for example" , "Hammered pin" .)

I've seen this clue in The Sun.

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