"ACTINIDES" IS THE Answer TO THE FOLLOWING CROSSWORDS

1. Heavy metal group to perform mid-month?
2. 'heavy metals' drama detailed with the occasion of caesar's end
3. Elements playin' a part on fateful day
4. Radioactive metallic elements in periodic table

OTHER CLUES

1. Audience's disconcerted by stages
2. Brand follower?
3. A doctor and nurse have a row to provide a kind of internal release?
4. Impale
5. Alternatives to pcs
6. Antarctic waters
7. Nobel prize subj
8. B'way role for robert mor