4: Bart's also cast as Big Bird (9)
9: City that cowboys used to avoid (5)
10: Send back gangster's gun to get ID (3)
11: Subsequently change, when Al turns around? (5)
12: Perhaps men sit and eat in a cafe (9)
14: Follow south for lecture (5)
16: Article missing from European's sources (5)
18: Ace practised a lot by female golfer in a state of decline (2,1,3,3)
20: Eccentric bad footballer (3-6)
21: First in Irish language to efface (5)
22: Bring someone to Court Street meeting (5)
23: CEO Kane we agitated every Friday, as one example (4,1,4)
25: Cheer supporting blue automaton (5)
27: Mann's 'Death in Venice' Dorothy sent up (3)
28: Where transport is provided by chopper (5)
30: Cover-ups of some Mexican heads reflected in more angry disorderly mobs (9)
31: One with no trust in decency, niceness, etc. (5)