Across:
8 Gear (TACKLE) that’s essential for a cast (fishing TACKLE),
9 Did the new mix (DOCTORED) for Alerted Images, for instance (DOCTORED),
10 Stockholder (BARN) in public house (BAR-) is not the first (‘Not’ the first = -N) (BARN),
11 Number one (CHAMP-) element (silver = -AG-) from the noble gas group (noble gas = Neon = -NE-) – combined with sulphur (-S) (CHAMPAGNES) produces plenty of fizz (CHAMPAGNES),
12 Sausage (SALAMI) served up (= reversal indicator) – is (is = S-I) all over Massachusetts (MA = -AM-) and in California (LA = -AL-) (SALAMI),
14 Give in again (RESUBMIT) to addict (user = RESU-) holding back (= reversal indicator) head boy (head ‘Boy’ = -B-) going to university in America (Massachusetts Institute of Technology = -MIT) (RESUBMIT),
15 Bar (RAIL-) track (-WAY-) coach (-CARRIAGE) (RAILWAY-CARRIAGE) from getting carried away online by track runner? (RAILWAY-CARRIAGE),
18 Actress (actress = CAR SE-TS) freely (= anagram indicator) admits leading actor (leading ‘Actor’ = -A-) (CAR SEATS) protects a number of the younger generation in the minis (CAR SEATS),
20 Left (L-) a (-A-) mark (-SCAR) (LASCAR) similar to 13 down presumably ages ago (LASCAR similar to ‘able seaman’ presumably ages ago),
22 It’s about (RE-) getting couples (pairs = - PAIR S-) to dance (-HOP) (REPAIR SHOP) to Garage (REPAIR SHOP),
24 Cast (cast = ACTS) adapted (= anagram indicator) one of the good books (‘ACTS of the Apostles’ in The Bible),
25 Sales rep (sales rep = RELAPSES) drunkenly (= anagram indicator) falls off the wagon (RELAPSES),
26 Local gear (‘local’ gear = ATTIRE) found in wardrobe (ATTIRE).
Down:
1 Looking back (= reversal indicator), it’s a pity (alas = -SALA) Dawn (morning/am = MA-) (MASALA) produced something spicy (MASALA),
2 Is this the type of cover we all have (SKIN) for leap out of ski-plane? (‘leap’ out of ‘ski-plane’ = skin = SKIN),
3 Colourful types of dishes (RED CHINA) produced by old cold war country (RED CHINA),
4 View (IDEA) uplifting (= reversal indicator) sample from Reggae disco (sample from ‘reggAE DIsco’ = aedi = IDEA),
5 Makes the grade (-COPES) after (= positional indicator) school (S-) (SCOPES) and does a job in the theatre (SCOPES),
6 Drifter (hobo = HOB-O-) gulps head of Guinness (head of ‘Guinness’ = -G-) at the bar (lawyer = -BL-) with hot (-IN-) toddies finishing (‘toddieS’ finishing = -S) (HOBGOBLINS) the spirits (HOBGOBLINS),
7 Ran into (MET-) sweetheart (‘swEet’ heart = -E-) in Waterford (-RING) (METERING) working for Irish Water (METERING),
13 Amenable as (amenable as = ABLE SEAMAN) model (= anagram indicator) works overseas (ABLE SEAMAN),
14 Archdukes lacking head (‘archdukes’ lacking/without ‘head’ = rcuks = RUCKS) for local fights (RUCKS),
16 Inspired (AWAKENED) a (A-) late gathering (-WAKE-) to study (den = -NED) review (= reversal indicator) (AWAKENED),
17 Job (ROLE) for those in 21 down (PLAY for ‘actors’) (ROLE PLAY) is character building (ROLE PLAY),
19 Pick up local (ARREST) American (A-) charger from the foundation (‘chargeR’ from the foundation = -R-) to recharge one’s batteries (-REST) (ARREST),
21 Points (factors) dropped from the start (f) (‘factors’ without ‘f’ = ACTORS) by the players (ACTORS),
23 Is this the type of money offered to shut up (HUSH money) royal (His Highness = H-H) taking in America? (-US-) (HUSH),
24 At the beginning and the end of Arabian Nights (at the beginning and the end of ‘ARabian NighTS’ = ARTS) to a degree (ARTS degree).