Go and act (4)

I believe the answer is:

turn

I believe this clue is a double definition.

'go' is the first definition.
('turn' can be a synonym of 'go')

'act' is the second definition.
(theatre)

'and' is the link.

(Other definitions for turn that I've seen before include "Sour" , "Start" , "fit" , "Rotate - go" , "Shape (using a lathe)" .)

I've seen this clue in the Evening Standard.

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