Across:
8 Those revolutionary (= reverse indicator) characters in Bristol remembered (characters in ‘brisTOL REMembered’ = tolrem = MERLOT) by one drunk in Bordeaux (MERLOT),
9 Aircraft (JET-) is not (is not = -TISON) (JETTISON) flying (= anagram indicator) – get rid of it (JETTISON),
10 A press release (WINE press) for what’s in 8 across, for example (‘Merlot’ = WINE),
11 Actor’s portrayal (part = PAR-T) includes menial (menial) work (= anagram indicator) (menial = -LIAMEN-) (PARLIAMENT) in the house (The House = PARLIAMENT),
12 It is missing in proteins (‘it’ is missing in ‘proteins’ = proens = PERSON) produced by an individual (PERSON),
14 Insisted on (DEMANDED) Guy (guy = man) and Duke (d) getting together – indeed? (‘indeed’ = ‘in deed’ : ‘man’ + ‘d’ get together in ‘deed’ = -MAND- in DE-ED) (DEMANDED),
15 Katy did (katydid cricket = INSECT) horrible thing (REPELLENT) (INSECT REPELLENT) with this – no flies on her then! (INSECT REPELLENT),
18 Not the usual figure (ATYPICAL) of a (A-) model (-TYPICAL) (ATYPICAL),
20 Danish (Danish PASTRY) criminal (= anagram indicator) parts (parts = PASTR-) with Yankee (-Y) (PASTRY),
22 They could be significant (significant -OTHERS) for director (-D) in May (M- -AY) (MOTHER’S DAY) – the one honouring The Mummy (MOTHER’S DAY),
24 Donald (Donald DUCK) is out for nothing in particular (cricket out for nothing/ nought = DUCK),
25 Park (P-) and area (-A-) managed (-RAN-) around (= reverse indicator) Number 10 (IO = -OI-) with a (-A) (PARANOIA) level of irrational mistrust (PARANOIA),
26 Treacherously dismisses healer’s (‘treacherously’ dismisses ‘healers’ = trcouy = OUTCRY) protestations (OUTCRY).
Down:
1 Colourful type (CERISE) of rice (rice) dish (= anagram indicator) (rice = CERI-) from southern (-S-) Spain (-E) (CERISE),
2 Women left unwelcome (‘women’ left ‘unwelcome’ = uelc = CLUE) hint (CLUE),
3 Cats and dogs (pets = STEP) up (= reverse indicator) to getting into (into) trouble (= anagram indicator) (into = ON IT) (STEP ON IT) – put your foot down (STEP ON IT),
4 What’s involved in raising (= reverse indicator) Gerbera Jamesonii (what’s involved in raising ‘gerbeRA JAmesonii’ = raja = AJAR) in open (AJAR),
5 A (A-) town in Meath (Trim = -TRI-M) around unique summit (‘Unique’ summit = -U-) (ATRIUM) that’s close to my heart? (ATRIUM),
6 Takes apart (DISMANTLES) lens amidst (lens amids) broadcast (= anagram indicator) (lens amidst = DISMANTLES),
7 Park (P-) with snow leopard (-OUNCE) to broadcast (ON) (POUNCE ON) from spring (spring/leap = POUNCE ON),
13 Barely up (SLEEPYHEAD) to working in the school (-HEAD) – from the start (= position indicator), a candidate for retirement (SLEEPY-) (SLEEPYHEAD),
14 There’s a short (l) spring (‘well’ without ‘l’ = -WEL-) in Donegal (D-L) (DWELL) – just take a moment to think about that (DWELL),
16 Latino on (Latino on) tour (= anagram indicator) (Latino on = NOTIONAL), in theory only (NOTIONAL),
17 The Count’s accommodation when he’s not at home (when Count Dracula is not in his coffin, it’s an EMPTY BOX) contains nothing (EMPTY) from Spar (BOX) (EMPTY BOX),
19 Brief (k) city (‘Cork’ without ‘k’ = COR-) gangster (-DON) (CORDON) put out by police sealing off crime scene presumably (CORDON),
21 Album (RECORD) by New (= anagram indicator) Order (order = RE-ORD) includes first cover (first ‘Cover’ = -C-) (RECORD),
23 Prose from desperado (‘prose’ from ‘desperado’ = dead = DEAD) is lifeless (DEAD),
24 Anniversary (DATE) of some revolutionary (= reversal indicator) secret administration (some revolutionary ‘secrET ADministration’ = etad = DATE).