This crossword No. 15458 clues and answers were published on Fri 22 Nov 2019 and the puzzle can be visited by following The Guardian Quick Crossword No. 15458 link.
All Across Clues and Answers:
1-across – Armed guard on a plane : SKYMARSHAL
7-across – G in MGM : GOLDWYN
8-across – One shunning animal products : VEGAN
10-across – Decomposes : ROTS
11-across – Physical effort : EXERTION
13-across – Unoccupied : VACANT
15-across – Phases : STAGES
17-across – Grotesque misrepresentation : TRAVESTY
18-across – Long narrative poem : EPIC
21-across – First appearance : DEBUT
22-across – Of Spain and Portugal : IBERIAN
23-across – Brains : GREYMATTER
All Down Clues and Answers:
1-down – Croatian port : SPLIT
2-down – Two-masted sailing boat : YAWL
3-down – Extension to a building : ANNEXE
4-down – Harshness : SEVERITY
5-down – Pursuit with hook, line and sinker? : ANGLING
6-down – Made worse : AGGRAVATED
9-down – A very short time : NANOSECOND
12-down – Family tree : ANCESTRY
14-down – Compartment : CHAMBER
16-down – Most feared barbarian invader of the Roman Empire, d. 453 : ATTILA
19-down – Previous : PRIOR
20-down – Metrical units : FEET
This crossword has in total 24 where 12 are across and 12 are down.