Across
It requires a truly consistent performance from its cast (9)
Finish filming western with pop music (4)
Book about our deceptive barrier causes fuss (8)
I haven't cracked this one yet — but Fifteensquared have:
A charade of B (‘book’) plus ROU, an anagram (‘about’) of ‘our’ plus HAHA (‘deceptive barrier’ – see Wiki )
From casual perusal, telescope finally picked out a star (6)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘casual’) of ‘p[e]rusal’ minus the E (‘telescop E finlly picked out’).
Food chain: bear comes first, though not invariably top (6)
I haven't cracked this one yet — but Fifteensquared have:
A charade of BRU[i]N (‘bear’) minus the I (‘though not I nvariably top’) plus CH (‘chain’).
Oil perhaps to be seen from ocean liner? (8)
Dramatic family union abandoned? Here's a pill! (6)
When depressed, you could find it helps to get over the threshold (8)
Hairgrip made of copper with reverse catch (5,3)
Head driller and surrogate parent (6)
Iced preparation used in horse health scheme (8)
Hardline leader breaks up rubbish party (6)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘breaks up’) of H (‘ H ardline leader’) in TRASH (‘rubbish’).
Life of a celebrity that's been shot (6)
After a number of deliveries, he collects ball for Oxford defender? (8)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘collects’) of O (‘ball’) in OVERS (‘a number of deliveries’) plus ‘he’.
Horn sound in live recording (4)
Suspect ranted about Brown being dismissed? (9)
Down
Renaissance artist's Doctor Swallowing Midge (5)
Scrapped lunch to take north-eastern link to the continent (7)
The end of the said potty is missing (5)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘potty’) of ‘the [s]a[i]d’ minus IS (‘is missing’), with the usual argument about whether or not a separate anagrind is needed for ‘is’; evidently, Brummie comes down here on the “not” side.
Same sad converts got together (7)
A programmer's A-Z? (9)
Young predator put away — copper goes by book (4,3)
I haven't cracked this one yet — but Fifteensquared have:
A charade of WOLF (‘put away’ – eat heartily) plus CU (chemical symbol, ‘copper’) plus B (‘book’).
Putting a lid on piano, celebrated vocalist demonstrates one way to sing (1,8)
I haven't cracked this one yet — but Fifteensquared have:
A charade of ‘a’ plus CAP (‘lid’) plus P (musical notation, ‘piano’) plus ELLA (Fitzgerald, ‘celebrated vocalist’).
Formerly, formerly (9)
I haven't cracked this one yet — but Fifteensquared have:
An archaic word.
Entertainer Chuck plus reindeer (3-6)
Music culture movement responsible for bad trip during dance (7)
Avoid 'en' shaped like a birthmark (7)
Are in conflict with USA over one geographical area (7)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘over’) of I (‘one’) in EURASA, an anagram (‘in conflict with’) of ‘are’ plus ‘USA’.
In effect, we ensure bard's in the middle (5)
Seconds before bird's sudden dash (5)
Type letters or click words in the clue