Across:
1 Overlook everything to do with Great Expectations (GIVE UP ALL HOPE) or lose heart (GIVE UP ALL HOPE),
10 Has no belief (INFIDEL) in Field (in field = INFIDEL) Marshal (= anagram indicator),
11 Aer Lingus (E-I) host party (Fiana Fáil = -FF-) at last (-END-) (EFFENDI) address in Turkey (Turkish title = EFFENDI),
12 Physical (EXAM) part of the Sussex amphitheatre (part of the ‘SussEX AMphitheatre’ = EXAM),
13 Retiring (= reversal indicator) editor-in-chief perhaps (top ed = DEPOT) of magazine (magazine/arms DEPOT),
15 Goes around to get job done (goes around to ‘GEt job doNE’ = GENE) – it’s Adam’s legacy (GENE),
17 Present (NOW) of some of the casino winnings (some of the ‘casiNO Winnings’ = NOW),
19 Elevated (= reversal indicator) front entrance opens (‘Front Entrance’ opens = fe = -EF-) in public house (bar = R-AB) from pressure (P-) (PREFAB) from building in temporary setting (PREFAB),
21 Mug (BEAT UP) of beer? Take half of it (‘BEer’ take half of = BE-) to a (-A-) revolting (= reversal indicator) place! (place = put = -T UP) (BEAT UP),
22 Doesn’t show any character (GIVES UP) from a number of the sides today, from the start, collectively? (‘give up’ on all sides of today’s grid = GIVES UP),
23 Dance (HOOF IT) kick? (HOOF IT),
25 Render defenceless (DISARM) with Garda’s (DI’s = DIS-) gun (-ARM) (DISARM),
27 Stage (LAP) of Tour (LAP),
29 Captures segment of the satirists (captures segment of the ‘satIRISts’ = IRIS) with the photographer’s diaphragm (IRIS),
30 Man taken out of terminal (‘man’ taken out of ‘terminal’ = teril = LITRE) has capacity to hold less than two pints (LITRE),
31 Weird leaving fieldwork (‘weird’ leaving ‘fieldwork’ = flok = FOLK) to the ordinary people (FOLK),
34 No longer in danger (EVACUEE) in ascending (= reversal indicator) cave (cave = EVAC-), upstart (‘Up’ start = -U-) is given drugs (E+E = -EE) (EVACUEE),
35 One from the Panto (pantomime VILLAIN) has large country house (VILLA-) that’s very trendy (IN) (VILLAIN),
36 Leave the post (GIVE UP ONE’S JOB) or surrender (GIVE UP) to individuals (ONE’S) known to have patience (the patience of JOB) (GIVE UP ONE’S JOB).
Down:
2 Popular (IN-) part of The Inferno (-FLAME) (INFLAME) from Kindle (kindle/spark off = INFLAME),
3 Objectives (ENDS) of doctors (mends) needing no introduction (m) (‘mends’ without ‘m’ = ENDS),
4 The Count in summer (POLLEN count) produced sample (POLL-) of the menu from the centre (of the ‘mENu’ from the centre = -EN) (POLLEN),
5 Hide (LIE LOW) piece of fiction (LIE) – it’s despicable (LOW) (LIE LOW),
6 Fit of irritation (HUFF) from most of (b) the Centre (hub) (‘hub’ without ‘b’ = HU-) Party (Fianna Fáil = -FF) (HUFF),
7 Bitter (PUNGENT) component passed on by the ancestors (gene) endlessly (e) (‘gene’ without ‘e’ = -GEN-) in old capital (PUN-T) (PUNGENT),
8 What would an apostate do (GIVE UP THE IDEA) with a Bandon (abandon = GIVE UP) article (THE) on conception? (conception/plan = IDEA) (GIVE UP THE IDEA),
9 I’ve no idea (GIVE UP) this is lighting up (SMOKING) (GIVE UP SMOKING) handover of Cubans (handover Cubans/cigars = GIVE UP SMOKING),
14 Place to (place to = POLECAT) blend (= anagram indicator) US skunk (POLECAT), 16 Sleight of hand (MAGIC) from wise guys (MAGI-) and leading criminal (leading “Criminal” = -C) (MAGIC),
18 Revolutionary (= reversal indicator) unit (-I-) in copies (apes = SEP-A) (SEPIA) of shady photograph (SEPIA),
20 Liberated missing dealer (‘liberated’ missing ‘dealer’ = ibt = BIT) as part of the drill (BIT drill),
21 One from The Capital (Dub = BUD) upset (= reversal indicator) local Playmate (local playmate = BUD),
24 Old (O-) European capital (capital of Latvia = -RIGA-) a half a mile (a half a ‘MIle’ = -MI) (ORIGAMI) from Japanese art (ORIGAMI),
26 First (A-) part of song (vocal) abridged (l) (‘vocal’ without ‘l’ = -VOCA-) for party (-DO) (AVOCADO) of The Greens (AVOCADO),
27 Roster (LINE UP) for one of those in the Garda station (LINE UP),
28 Demonstrated (PROVEN) quietly (quietly/piano = P-) to raw beginner (‘Raw’ beginner = -R-) in the kitchen (-OVEN) (PROVEN),
32 Unable to speak (MUTE) to soul mate, also missing (‘soul mate’ ‘also’ missing/without ‘also’ = umte = MUTE),
33 The foreign (the = EL-) manuscript (-MS) (ELMS) produced by a number of shady types (ELMS).