The unclued lights (three coming first and one coming last, two pairs and four of two words) are of a kind.

Across

12    One record after another oddly omitted rulers’ postscripts (9)

13    Compact disc’s first seen spinning (5)

15    Omits plan about philosophical belief (9)

16    Impassioned male getting date wrong (6)

20    Resin on imperfect coin from Sparta (7)

21    Pangs oddly to consume uncooked seafood (6)

22    VIP is out of reach (4-2)

24    Booster rockets seen when north-east rivers are in spate (8)

26    Face being laid back (4)

28    Neeson regularly appearing in Keanu Reeves’ role (3)

29    Marsh stifles river plant (4)

32    Suspect CIA names one...