Possible redundant words in some clues and possible clashes...
17a Saw middle of scene before interval, something the Comedie-Francaise no longer accepts (7)
C???I??
19a Taunt about name descending to use fisticuffs (4)???G
10d Grain, fish, dried fruit - one i dropped again (8) ???????N
17 Centime. Cen, middle of 'scene' and Time, interval. There's an extra word.
19 Ding - Dig, taunt, with N inside. There's an extra word.
10. Sassarin, grain. There's an extra word.