Across
1 Retaliate violently when ale is vomited on dress (6) ATTIRE
4 Discussion group seen rollicking in University bar (6) USENET
9 Front to back, brand the vehicles (4) CARS
10 Travel aboard ship to make a movie (5,5)WHALE RIDER
11 Photographic defect caused by late night flight? (3,3) RED EYE
12 Everyone surprisingly itchy before the government building (4,4) CITY HALL
13 Set up? Set off and destroy leaving nothing (9) ESTABLISH
15 Because one stays strong initially, he becomes the chief (4) BOSS
16 Now? No point, it was earlier (4)ONCE
17 Pester yours truly to make a film (9) DISTURBIA
21 Fat sink Henry fabricated as an aquarium (4,4) FISH TANK
22 A setter’s fiction made into a movie (6) AMELIA
24 Partner caused female French setter’s demise (10) GIRLFRIEND
25 Man regularly fasts to gain passion (4) HEAT
26 Relative from the east caught cold touching the Spanish metal (6)NICKEL
27 River surrounded Greek base to an extent (6)DEGREE
Down
1 A crazy Greek god abdicated his crown to become a composer (7) AMADEUS
2 Dreadful taskmaster reduces wrong marks by discernment (5) TASTE
3 This movie is an example for bad treatment (3,4) RAW DEAL
5 Son took over when female left the festival for a nap (6) SIESTA
6 Huge Robin Cook is the guy next door (9) NEIGHBOUR
7 Framework made by short tree fixed over window bar (7 ) TRELLIS
8 Compare staff with soldiers in the film (10,3) MATCHSTICK MEN
14 Coach ill-disposed to include leading opium addict (9) ALCOHOLIC
16 Plant good in my assessment (7) OPINION
18 The mass led astray by hogwash (7) TWADDLE
19 Ape meat Italian cooked adding iodine (7) IMITATE
20 Release movie I say! (6) CARRIE
23 Heater burst to release a volatile liquid (5)ETHER