updated 10/25/2012 AT 8:55 AM ET
•originally published 10/25/2012 AT 10:35 AM ET
Most of the country may be cooling off as fall creeps towards winter, but the sun is shining in Hawaii!
Leaving his buttoned-up business attire on the mainland (but without a hair out of place), Hamm, 41, disrobed and revealed a pair of colorful trunks – and a tan line.
Paré, 29, is ’60s-era perfection in her floral-patterned string bikini. She was also photographed in bug-eyed shades and a floppy white hat.
The pair sat in the sand for their scene; she sipped a tropical blue beverage while Hamm (as Don Draper) smoked a cigarette and read a copy of Dante’s allegorical classic trip through hell, Inferno.