Across:
1 Some (“some” = “sum” = SUM-) report (= homophone indicator) has a nice view (France, Nice view = sea = -MER) (SUMMER) produced by one of The Four Seasons (SUMMER),
4 Old (O-) conservative (-C-) Shakespearean character (Casio in Othello = -CASIO-) gets to start at new (start ‘new’ = -N) (OCCASION) event (OCCASION),
9 Quote (RECITE) individual (-I-) in Crete (Crete = REC-TE) novel (= anagram indicator) (RECITE),
10 Foreign solider (PARA-) with no (-NO-) papers (-ID papers) (PARANOID) is overly suspicious (PARANOID),
12 Say (= homophone indicator), I hope you succeed (“good luck” = “good look” = GOOD LOOK-) – open secret (open ‘secret’ = -S) (GOOD LOOKS) is, that’s all you might need in the fashion business (GOOD LOOKS),
13 He left Raleigh (‘he’ left ‘Raleigh’ = ralig = GRAIL) with the legendary cup (GRAIL),
14 Directing the eyes (LOOKING) to Len’s (GLASS) (LOOKING GLASS) copy of The Mirror, for example (LOOKING GLASS),
18 Prepared for a trip (-PACKED) after director’s call (ACTION-) (ACTION-PACKED) full of excitement (ACTION-PACKED),
21 Run for Union (run for union/marriage = ELOPE) inside steel operation (ELOPE inside ‘steel operation’),
22 Pat (pat/stroke = TOUCH-) and Mark (-TYPE) (TOUCH-TYPE) work with a keyboard (TOUCH-TYPE),
24 Record (REC-) is about (-RE-) worker (-ANT) (RECREANT) – the type in the past disloyal to a belief (RECREANT),
25 Waiting to talk (ON HOLD) to switch (ON) for support (HOLD) (ON HOLD),
26 One of the Big Guns (HOWITZER) with zero (with zero = HOWITZER) organisation (= anagram indicator),
27 Sweetheart (‘sweet’ heart = E-) meets (meets = -STEEM) up (= reversal indicator) (ESTEEM) for appreciation (ESTEEM).
Down:
1 Horse (-GG-) in astonishing (= anagram indicator) result (result = STRU-LE) (STRUGGLE) – is that a fight against the odds? (STRUGGLE),
2 College (-C-) staff (staff/pole = -ROD-) find ring (-O-) in American university (Massachusetts Institute of Technology = MI-T) (MICRODOT) with a little bit of intelligence (MICRODOT),
3 Go wild about (EXTOL) former (EX-) character of Biblical proportions (Lot = -TOL) making a comeback (= reversal indicator) (EXTOL),
5 Some people have been accused of lying here (CHAISE LONGUE) to one of the loungers (CHAISE LONGUE),
6 Inability to feel miserable (ANALGESIA) in extravagant (= anagram indicator) Alien saga (Alien saga = ANALGESIA),
7 Lads falling off sailboards (‘lads’ falling off ‘sailboards’ = siboar = ISOBAR) – it could be the pressure staying on a line (ISOBAR),
8 Local head (NODDLE) criminal (Don = NOD-) returns (= reversal indicator) to old party (Democratic Left = -DL-) with ecstasy (-E) (NODDLE),
11 Wish for (LONG- for) detective (-DI-) taking view (-STANCE) (LONG-DISTANCE) this might be a runner (LONG-DISTANCE runner),
15 It’s not fine (INCLEMENT) for popular (IN-) bishop of Rome (Bishop of Rome/ Pope -CLEMENT) (INCLEMENT),
16 Give approval (OKEY-DOKE) for ball (O-) and important (-KEY) party (DO-) at prosperous location? (Prosperous in Kildare = KE) (OKEY-DOKE),
17 Rider (rider/add-on = ADDENDUM) is one for the books (ADDENDUM),
19 Look for someone (SEARCH) to reach (reach = -EARCH) out (= anagram indicator) to after (= position indicator) school (-S) (SEARCH),
20 Scotswoman releasing ants (‘scotswoman’ releasing ‘ants’ = scowom = MOSCOW) in capital (MOSCOW),
23 NHS ad (NHS ad = HANDS) agitated (= anagram indicator) workers (HANDS).