Across
Sign of top hat scratching head (9)
Job swap (5)
Happening as drums extremely deficient before Ringo’s discovered (7)
Skin on show in retreat (7)
Nomad found in area between two large US cities (5)
I haven't cracked this one yet — but Fifteensquared have:
A[rea] between Los Angeles and New York. On skimming the Wikipedia article on the nyala I can’t see anything to suggest that they’re particularly nomadic, but perhaps Fed knows better
Rivers maybe on flood alert – Red Cross initially delivering heroic sort (4,2,3)
I haven't cracked this one yet — but Fifteensquared have:
JOAN (Joan Rivers, US comedian) + first letters of On Flood Alert Red Cross
Nice flat here has strange way to tell temperature (10,5)
Recall cars park outside, close to garage (9)
I haven't cracked this one yet — but Fifteensquared have:
MINIS (cars) in REC (park) + [garag]E
Secretary for a broadsheet? (5)
Back muscle stiff right away – using fingers (7)
I haven't cracked this one yet — but Fifteensquared have:
Reverse of LAT (lateral, muscle, coincidentally in the back) + RIGID less R
Comic actor working in animation (7)
In just seconds, conscientious objector declines class with daggers (5)
I haven't cracked this one yet — but Fifteensquared have:
Second letters of cOnscientious oBjector dEclines cLass wIth. Obeli are daggers in typography, sometimes used to indicate footnotes; thus: †
Explain worry about work European Union abandoned (9)
I haven't cracked this one yet — but Fifteensquared have:
LABOUR in EAT (worry) + E[uropean] less U[nion]
Down
Represent Foreign Office visiting a cold region briefly (7,3)
I haven't cracked this one yet — but Fifteensquared have:
F.O. in A C[old] COUNTR[y]
New pie chart’s inscription (8)
Glass maker is rejected by student arts venue (6)
I haven't cracked this one yet — but Fifteensquared have:
Reverse of IS + L (student driver) + ICA (Institute of Contemporary Arts, venue in London)
14d
Pirate’s mistress, after removing old underwear, said ‘aye’ to get things going (4,4,6)
23d
Oddly the Arctic Circle in particular provides fuel (10,4)
Film companies – including Universal – eager to learn (8)
I haven't cracked this one yet — but Fifteensquared have:
U in STUDIOS
Turnover seen when Konsa goes up against Mo Salah (6)
Side swapping ends makes game? (4)
I haven't cracked this one yet — but Fifteensquared have:
TEAM with the “ends” swapped
See 4
School governors organised clubs in church – with small sanctions (10)
I haven't cracked this one yet — but Fifteensquared have:
LEA (Local Education Authority, so “school governors” + RAN (organised) + C in CE (Church of England) + S[mall]
Perhaps Albert Finney’s content with set I redesigned (8)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of [f]INNE[y] SET I
Okay looking up somewhere to go or following Google Maps, say (8)
I haven't cracked this one yet — but Fifteensquared have:
APP (e,g, Google Maps) + reverse of LAV (lavatory, somewhere to go) + OR
Metal drawer (6)
Forgive you what? (6)
Nameless benefactor gets access (4)
I haven't cracked this one yet — but Fifteensquared have:
DONOR less N
See 5
Type letters or click words in the clue