ACROSS
1 One gets into hot water for brewing a drink (3,3) TEA BAG [CD]
5 Another way of looking at second actor (2-4) CO-STAR {S+ACTOR}* &lit
10 Stupidity of ill-treating caring one (9) IGNORANCE*
11 Feature of an audio tape having words spoken in an undertone? (5) ASIDE {A}{SIDE}
12 Lacking very instrument to remove frost (2-3) DE-ICE {DE
13 Perhaps wild or raw hostilities (5,3,1) WORLD WAR I*
14 Slender woman — sick, old and extremely weedy (7) WILLOWY {W}{ILL}{O}{W
16 Dad taking risk swallowing special red pepper (7) PAPRIKA {RI
18 Most exciting and periodically cut-throat cricket match (7) HOTTEST {
20 Lively music I'm any day content in backing (7) DYNAMIC [T<=]
21 Show irrational dislike towards refreshing pedicure around Japan (9) PREJUDICE {PEDICURE}* around {J
23 Sign a voucher (5) TOKEN [DD]
25 Act outright aloof (5) EMOTE
26 Is column dug through hard soil? (9) DISCOLOUR {D{IS}{COL}OUR}
27 Public gym included pole dancing (6) PEOPLE {POLE}* in {PE}
28 Utter a heartily lurid tirade (6) ARRANT {A}{
DOWN
2 Drunken nuisance contributing to feeling of weariness (5) ENNUI [T]
3 Turning to run, get hold of a boat propeller (9) BARGEPOLE {BARG}{EPOLE}<=
4 Crowd move out of section in an aisle (7) GANGWAY
5 Resolve to improve (5,2) CLEAR UP [DD]
6 S-solid fragment (5) SHARD {S}{HARD}
7 Mailman is on the run from beastly behaviour (9) ANIMALISM*
8 Operating system to skip having a browser (6-7) WINDOW SHOPPER
9 Declaim recent changes to a hospital (7,6) MEDICAL CENTRE*
15 Low-cal feeds, man's mantra to be slim (9) LITHESOME {LIT{HE'S}{OM}E}
17 Point out best recipe for a red wine (5,4) PINOT NOIR {POINT}* {NO 1}{R
19 Time taken by Duckworth-Lewis going through extra tweak (7) TWIDDLE {T}{WID{DL}E}
20 From the bottom up, rate each marine (4-3) DEEP-SEA {DEEP-S<=}{EA}
22 American and European Union power to deplete (3,2) USE UP {US}{E U}{P}
24 Kind of wine often seen as commonplace (5) KNOWN {K
GRID