1: Problems from exchanging 1st double for a couple of triples (7)
2: Models from Evans Head extremely purposeful in Red Planet (9)
3: Arranged date in Cairo means extermination (11)
4: Novel deviance in the movie? (5,2,6)
5: Escalating naked conflict (3)
6: One who takes after beggarman (5)
7: Smile about Crazy Mel, a supposed source of trouble (7)
9: 'Ransom'? Lame. Run 'Rocky I', 'II', 'III', etc. (5,8)
13: Fancied poem composed in comfort (5,2,4)
15: Companion to take care of worker (9)
16: Facing in both directions, like Janus? (7)
17: Pen opening regularly, bearing volatile, flammable liquid (7)
19: A 1000 following unsubstantial article (5)
22: Concealed hot part of psyche (3)