Possible Clues:

• Gray as a part of 17 down, say, whose unfinished elegy criminal pans out
• Last word about one of the Costas: it's continental
• See 32-Across
• Wealthy endlessly squeezed by a penny-pinching statesman
• An — in Paris (Gershwin)
• Red Norse explorer visiting a fellow countryman
• ...Brad Pitt is one man I care about
• Cinerama developed in US
• Like apple pie, in a saying
• From Iran came over - he's over the pond