Now the down clues and answers I think there is less I didn't understand.
(3d) One who's withdrawn from contract, one wrongly given lot (9,6)
Answer Shrinking Violet
(7d) Odd parts for chaps in film, being this? (7)
Answer Miscast
(14d) Bubbly title-holder, beaten finally in time (9)
Answer Champagne I get the champ bit but not rest.
(18d) Fashionable and extremely loud, rising quickly (7)
Answer Hotfoot I get fashionable = hot but not the rest.
Again Thank you in advance!