The unclued entries (three of two words, and two hyphened) share an origin
 

Across

1    Put an end to fight where you get a pinch (8)
12    Gold chain found in tangle (5)
14    Produce eggs to value somehow (7)
17    Panic in the manner of commandos (5)
22    Francophone settlers take from simple country folk (8)
23    Page turned by rotter investigating brother (7)
24    Note winning score for Japan (6)
25    Page to agitate author (6)
27    Former half of double-cross, presumably (7, hyphened)
29    Destroyer keeps daughter in custody (8)
33    Old images featuring body art in Saudi Arabia (6)
34    More devious concerning one hiding gold (5)
35    Not in...