The two-word answers to these riddles are anagrams?

1. What do you call a relaxed mollusk?
2. What do you call an unfeeling bozo?
3. What do you call the registration desk at the rooster -hen convention?
4. What do you call an architectural drawing done over the signature of the architect?
5. What do you do when you assign certain felines movie roles?
6. What do you call a prison committee?
7. What do you call an order for change to be made in the future?
8. What is the opposite of modest talent?

Answers:

1. Calm clam
2. Cold clod
3. Chicken check-in
4. Signed design 
5. Cast cats
6. Penal panel
7. Alter later 
8. Most talented