Although there is no individual interview with Bruce Greenwood on the Thirteen Days DVD, he does make three statements (from previous interviews) within the backstage documentary: Bringing History to the Silver Screen

Expanding upon the excellent sets, Bruce says:		On his research efforts:		Ribbing Steven Culp about his accent:
The White House was built in a warehouse!		Every available moment I had the headphones on, watching tapes....		Fortunately, I constantly win, 'cause he's not that good at it.
photo captures by Kathy Arnold