1: All for naught, perhaps; not many upset (7)
2: Shining silver base (5)
3: Almost reveal Nationals' former identity (5)
4: ESP school worried ancient dramatist (9)
5: Ace girl gets it wrong (5)
6: Sexy stockings cast hens into fit (7)
7: Wilder badger liberates (9)
8: Man sees bananas in a bunch (2,5)
11: Bell tower providing temporary accommodation by a river (9)
12: Standard cart coming back with jam (9)
13: Get with a Chicago threesome, the night before a big event (7)
14: Drink has little zip (7)
15: PIcture lines as in visions. (7)
17: Michael Caine, first outspoken host (5)
18: Girl leaving in the morning from America (5)
19: Balance a plate of fish? (5)