1959 Boulting Brothers film satire on British industrial life starring Peter Sellers (2,3,5,4)

I believe the answer is:

im all right jack

(Other definitions for im all right jack that I've seen before include "reveals complacent attitude" , "Reassurance from Jill after accident" , "Selfish expression" , "Selfish comment" , "never mind the others" .)

I've seen this clue in The Independent.

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