Related Clues:
- Happy bivalve?
- Brother of Groucho and Chico
- Shellfish
- Noted horn honker
- One disinclined to talk
- Bisque morsel, perhaps
- Silent screen star?
- Uncommunicative one
- Quahog
- Silent brother
- Man with a horn
- Digger's find
- Actor/public speaker who often began "Unaccustomed as I am to speaking ..."
- Bivalve mollusk
- Sibling of 54-Across