ACROSS
1 - Provider of children's entertainment, TV on leave (4-2-3-3) - JACK-IN-THE-BOXJACK-IN-THE-{BOX} Anno pending (Addendum - {JACK-IN}-{THE-BOX} - See comments)
9 - Ascot's winning margin? Short row follows (7) - NECKTIE {NECK}{TIEr}
10 - Mummy's boy, reportedly depressed when the day is done (7) - SUNDOWN (~son){SUN}{DOWN}
11 - Jumper next to mine in shabby cinema (7) - FLEAPIT {FLEA}{PIT}
12 - Theatrical company to improve further performance (7) - REPRISE [DD?]
13 - Escaped in cab, sodden, unfortunately (9) - ABSCONDED*
15 - Project involving small fair (4) - JUST {JU{S}T}
17 - Homestead a long way away? Miles (4) - FARM {FAR}{M}
18 - Former PM leading workers in county (9) - NORTHANTS {NORTH}{ANTS}
19 - Body of troops ordered to carry equipment (7) - BRIGADE {B{RIG}ADE}
21 - Surprisingly large one, a country in Africa (7) - ALGERIA {LARGE}*{1}{A}
22 - Film director down in Italy (7) - FELLINI {FELL}{IN}{I}
23 - Locks in fortress, essential (7) - TRESSES [T]
24 - Working with responsibility in a successful business (5,7) - GOING CONCERN {GOING} {CONCERN}
DOWN
1 - Psychologist married German woman in the Bernese Alps (8) - JUNGFRAU {JUNG}{FRAU}
2 - Dogs may be spooked reckons special (6,8) - COCKER SPANIELS*
3 - At home, spinner for Middlesex initially playing his best (2,3,4) - IN TOP FORM {IN} {TOP} {FOR}{M}
4 - Newspaper job? (5) - THEFT {THE}{FT} My COD
5 - Undemanding jockey in film (4,5) - EASY RIDER {EASY}{RIDER}
6 - Have, in an excited state, to confess (3,2) - OWN UP {OWN} {UP}
7 - Beginning to realise Doctor No is no obscure novel? (8,6) - ROBINSON CRUSOE {R}{NO+IS+NO+OBSCURE}*
8 - Girl, extremely drunk, dropping CD (4) - ANNEcANNEd
14 - Ground in lane with odd weed (9) - DANDELION {IN+LANE+ODD}*
15 - Astronaut, first from Georgia, hugged by Beatle on leaving (4,5) - JOHN GLENN {JOHN {G}LENNon}
16 - Hit man in SAS twice, unwisely (8) - ASSASSIN {IN+SAS+SAS}*
19 - Polish fan (4) - BUFF [DD]
20 - I depart after American friend (5) - AMIGO {AM}{I}{GO}
21 - Classically elegant upper room (5) - ATTIC [DD]
1 - Provider of children's entertainment, TV on leave (4-2-3-3) - JACK-IN-THE-BOX
9 - Ascot's winning margin? Short row follows (7) - NECKTIE {NECK}{TIE
10 - Mummy's boy, reportedly depressed when the day is done (7) - SUNDOWN (~son){SUN}{DOWN}
11 - Jumper next to mine in shabby cinema (7) - FLEAPIT {FLEA}{PIT}
12 - Theatrical company to improve further performance (7) - REPRISE [DD?]
13 - Escaped in cab, sodden, unfortunately (9) - ABSCONDED*
15 - Project involving small fair (4) - JUST {JU{S}T}
17 - Homestead a long way away? Miles (4) - FARM {FAR}{M}
18 - Former PM leading workers in county (9) - NORTHANTS {NORTH}{ANTS}
19 - Body of troops ordered to carry equipment (7) - BRIGADE {B{RIG}ADE}
21 - Surprisingly large one, a country in Africa (7) - ALGERIA {LARGE}*{1}{A}
22 - Film director down in Italy (7) - FELLINI {FELL}{IN}{I}
23 - Locks in fortress, essential (7) - TRESSES [T]
24 - Working with responsibility in a successful business (5,7) - GOING CONCERN {GOING} {CONCERN}
DOWN
1 - Psychologist married German woman in the Bernese Alps (8) - JUNGFRAU {JUNG}{FRAU}
2 - Dogs may be spooked reckons special (6,8) - COCKER SPANIELS*
4 - Newspaper job? (5) - THEFT {THE}{FT} My COD
5 - Undemanding jockey in film (4,5) - EASY RIDER {EASY}{RIDER}
6 - Have, in an excited state, to confess (3,2) - OWN UP {OWN} {UP}
7 - Beginning to realise Doctor No is no obscure novel? (8,6) - ROBINSON CRUSOE {R}{NO+IS+NO+OBSCURE}*
8 - Girl, extremely drunk, dropping CD (4) - ANNE
14 - Ground in lane with odd weed (9) - DANDELION {IN+LANE+ODD}*
15 - Astronaut, first from Georgia, hugged by Beatle on leaving (4,5) - JOHN GLENN {JOHN {G}LENN
16 - Hit man in SAS twice, unwisely (8) - ASSASSIN {IN+SAS+SAS}*
19 - Polish fan (4) - BUFF [DD]
20 - I depart after American friend (5) - AMIGO {AM}{I}{GO}
21 - Classically elegant upper room (5) - ATTIC [DD]