Across
Cash, perhaps invested in Wall Street, originally - company starts with lower deposits? (7)
Retrospectively, detective is filling in a month-old document (7)
Deepest miner's not affected (9)
Oddly plants it on paved section (5)
Swimmer's shy on the radio (3)
Separate spacemen to absorb thrust and temperature, showing application (11)
15a
(and 15 Across) Jane maybe trying to pull - in love with comedian (7,6)
See 13 Across
18a
(and 18 Across) Season meat for youngster (6,7)
See 17 Across
Vacuous Instagram is crashing phone - daughter stopped (11)
Rubbish match official withdrawn for good (3)
Some foreign ufologists returning to see black spots, say (5)
Moving bare hand to oil me up (9)
Eno mostly sings good, moving standards (7)
Aged beef, say, Jamie ultimately put out with refined wine (7)
Down
Cinders' - case of character taking delight in conveying panto's essence (7)
Winter nudism isn't initially going badly - revealing organs? (4,11)
Be of one mind about boring season (5)
Son with new cycle unused - it's cold weather (8)
Discourages less direct courses including English for home-study specialists (6)
Go over part in Evita, with Paige's focus, it's quite meaty (9)
Content for Tony Blackburn line to be cut out after the TV show - it's not a priority at this time (2,3,4,6)
Occasionally hard for pothead to be made one of the family? (7)
Honouring two Beatles, without coverage, outside British Library (9)
Stupidly start to cycle - it's more cold weather (3,5)
Ask if Fleabag contains music (7)
Harassed after deposing leaders, one red fled (7)
Signal with Virgin was regularly dropping out - phone company see extra text drops off (6)
Meaning of God preceding schism (5)
Type letters or click words in the clue