1: Spring inside proper old theatre (7)
2: From memory, next to courage (2,5)
3: St. Michael transforms metal transformer (9)
4: Fishy character with endless alibis hides in hut. (7)
5: Too many weapons perhaps for this type of bowling! (7)
6: Crazy Sadie's notions (5)
7: Not being particular, Xena and I moved to Connecticut (7)
12: Agree to make Lucifer wicked? (3)
15: Classic Australian theatre patrons shocked in Dee Why (4,5)
16: Grant loud colour (3)
17: Stomach is disturbed, bad sign (7)
18: Troop of monkeys around city garden spot (7)
19: Book's conclusion darker, having more twists (7)
20: African president to supply workforce with New Deal? (7)
21: Split particle following before (7)
23: Eights had to race again, we hear, concerning fish spawn. (2, 3)