Section of atlas, I assume! (4)

Degrader of transportation? (4,6)

Health expert let fish go bad after flipping (6)

Find out about unusual radiation (5-3)

Actor – Alec Guinness, say – given line (9)

Unappealing, lousy (on the outside)? (4)

Head of Blackpool Zoo, bumbling buffoon (4)

You've let me down, putting rotten butter on butties regularly (2,2,5)

Committed saint with extremely abnormal verruca (8)

Dishevelled, untidy, in state of undress (6)

Part of Yorkshire fighter rose for the audience? (5,5)

Compact weapons withdrawn (4)

Religious instruction fervently shuns cold soya (6,7)

Halfwit gets in early to see poet (7)

This actor wants to get away (5)

Enthusiastic usurer initially obtaining obscene profit (2,3,2)

Here you might rest with 'Paddington Enters Armed Forces'? (7,8)

Financier Bernie did this with the loot, we're told (6)

A heap, old boy? Not a sausage (3,6)

Unseemly exchange by railway is quite a sight (7)

Ultimately, visiting Arizona, Illinois, Long Island and Ontario is big deal (9)

Campaigns against 'having area for old wine collection' (7)

Hunt: pro renewal of Humberside etc (2,5)

Vacant twit in tutu's dancing, getting sounds of disapproval (3-4)

Sordid affair that's seen at evening classes (6)

Every so often, DJ is sick of dance music (5)