Merrill was born Nedenia Marjorie Hutton in New York City, the only child of Post Cereals heiress Marjorie Merriweather Post and her second husband, Wall Street stockbroker Edward Francis Hutton. She was educated at Miss Porter's School.

Merrill acted in twenty-two motion pictures, including Desk Set with Katharine Hepburn and Spencer Tracy, The Sundowners, Don't Give Up the Ship, Caddyshack II, I'll Take Sweden with Bob Hope, The Young Savages with Burt Lancaster, A Nice Little Bank That Should Be Robbed with Mickey Rooney, Catch Me If You Can, Operation Petticoat with Cary Grant (who had previously been married to her cousin, Read more...

Dina Merrill (born December 9, 1925) is an American actress and socialite.