Cryptic crossword

ACROSS

1. Marriage suffering from incompatibility? (8) 5. Prince in great operatic role initially (4) 9. Is this Gulf a beastly place? (4) 10. What the beggar does to disrupt a street round the north (8) 11. A hip’s affected by blight (5) 12. Chartered accountant hires different finance officer (7) 13. Dramatic transformation that is brought into play (6,2,5) 18. A star in print (8) 19. Members providing charitable gifts, one hears (4) 20. Vessel made of soft wood can go back inside (7) 21. A rich man takes the plunge (5) 22. Where Priam could be seen among ancient royalty (4) 23. Yes, it’s as Lamb could be described (8)

DOWN

2. Kind of comprehensive survey that’s carried out by divers (2-5) 3. Simon is moving around an impressive house (7) 4. It’s lost when one is in the theatre (13) 6. Tearing the rock apart (7) 7. Book one of the second team (7) 8. An increase in the Civil Service for times of emergency (6) 13. Could be typical source of material for the potter (4,3) 14. A strange notion for ‘The Merchant of Venice’ (7) 15. It’s a foreign language for an English composer (6) 16. Cautious about it being made into a philanthropic concern (7) 17. Figures as part of the Pentateuch (7)