Dominic Cooper will star in period love-triangle drama “Summer in February,” skedded to start lensing next month.

Thesp plays artist Alfred Munnings, who was a member of the bohemian Lamorna Group, based in Cornwall, England, at the beginning of the 20th century.

“Summer” also toplines Dan Stevens (“Downton Abbey”), Ophelia Lovibond (“Mr Popper’s Penguins”) and Hattie Morahan (“The Bank Job”).

Christopher Menaul (“Prime Suspect”) helms from a script by Jonathan Smith, who adapted his own novel.

Budgeted around $8 million, pic is produced by Pippa Cross and Janette Day for CrossDay Prods. and Jeremy Cowdrey for Apart Films. CrossDay’s credits include “My Left Foot,” “The Field,” “The House of Mirth,” “Bloody Sunday,” “Vanity Fair” and “Chalet Girl.”

Bob Benton and Dan Stevens exec produce.

The producers are in negotiations with sales agents and Hollywood studios for the pic’s international rights.

Cooper’s dual role as Uday Hussein and his body double in “The Devil’s Double” has been attracting awards buzz.

Thesp can also be seen in “My Week With Marilyn” and “Captain America: The First Avenger,” and has key roles in the upcoming “Abraham Lincoln: Vampire Hunter” and Joel Silver’s “Motor City.”