1: Bald guy squashes insect (7)
4: Shorten a spine with boron injection (7)
7: Freedom of action in desert (7)
8: Actors were first to have moved on board (7)
9: Surprised fat southerner heading west to execute media mogul Turner (13)
13: Smudge reams of misprints (5)
15: Arcking shot from Bill O'Brien (3)
16: Child, bask by the sound (3)
19: Pious woman in underground hideaway (3)
20: Take a turn or a thousand dollars (3)
21: Tender translator of runes (5)
22: Let not passion sway philosophers (3-10)
24: Records that could be hits (7)
25: Plots get Cuban revolutionary leader in a terrible mess (7)
27: Shelter Dracula's heart - he's representing blood-suckers (7)
28: Unknown little princess turning food with tongue (7)