casting, role assignment

I decide the casting.

私は配役を決めます

I decide the casting in the meeting room.

私は会議室で配役を決めます

I decide the casting in the meeting room tomorrow.

私は明日会議室で配役を決めます

I decide the casting in the meeting room with the director tomorrow.

私は監督と明日会議室で配役を決めます

I decide the casting slowly in the meeting room with the director tomorrow.

私は監督と明日会議室でゆっくり配役を決めます