Across
1
Magic performer, big hitter (7)
5
Gentlemen, last seen of genius on paper (7)
9
Jolly chap, it's understood? (5)
10
A jammed cylinder? (5,4)
11
Foremost of compilers with clue to set sadly leaves (3,7)
12
Listen up, 23 was perfect, ultimately (4)
18
Sorcery of a wizard in the end so peerless, the ladies spotted? (12)
21
Stick veteran English player on the radio? (4)
22
Cheese ending in lake, fish rolling around it (10)
25
Casino visitor on vacation — counting winnings? (6,3)
26
First of all, so caring as protecting Anna — it goes with a flow (5)
27
Fine Shropshire lad for starters, one taking final bow? (7)
28
Oarsmen at sea somewhere along the Mediterranean coast (3,4)
Down
3
Classic competitor, say, maverick was hero on Mondays, primarily (10)
4
Another test penned by 5 across I treasured (5)
5
Specimens after action, those taken away (9)
6
Able to depart rocky Shetland isle (4)
7
Extracts from Haley novel published (5,3)
8
Fired after cutting of pay, fibre remaining though damaged (5,3)
13
German outfit older, sheen tarnished (10)
15
Determined effort by solver? (9)
16
Set originally by other setters, they don't really work! (8)
17
Out of sight, out of mind (5,3,4)
20
Monday's cryptic powerhouse … (6)
23
… author of 10, 14, 17 24 and 19 with setter's surface raised high — and so say all of __ ! (5)