Remarkable work changes things. And you can't get there without people who are willing to risk being labeled creative, daring or even crazy. More likely, these are people who are willing to be inspired, to be a part of something bigger than themselves. The key then is to steer clear of the cogs, people afraid to contribute anything more than the required 8 hours.
If everyone on your team doesn't subscribe to the idea that changing the world is important, even in some small yet important way, I'd start changing the team.