19a Steals a march on - anag 'some charlatans'
17a Pacific Rim
23d Costa Rican - 'Co-star' + 'I can'
27d Raise hell - 'Sid' (raised) = 'Dis', another name for Hell
hi and thanks - week from hell - but glad it is the weekend and I can loose myself in some decent crosswords! hope you are ok..
another one "school temporarily perhaps has good way to essential part of reproduction (7,7) P?L?I?? ?T???O?
14a Mo-cha (9d Come into play - (put a pause between 'may' & 'no' in the clue))
20d EU-demonic
54a (R)Evolution
44a Al-ew-ive-s - 'we' (back' (in) 'alive' + (lifeles)s