Clarity of purpose, clarity of plan, clarity of communication, clarity of conviction. Finding them may be difficult, but people who feel left out will give you grief later. Find them and involve them and you will increase the commitment of everyone. This will help pre-empt resistance to the change and help you develop clarity of purpose. The former reinforces the change as it happens while the latter maintain focus upon the desired direction.
People are more committed to things they developed.
People nurture that which they feel they own. People are excited by their own successes. Constantly reinforce your vision and values. Give sincere recognition to those who are contributing. Only then will your people notice.