What parts are needed to add OEM cruise control?

[yh61r]

Most, if not all European Accords came without cruise control. I guy near me is selling his Accord in parts. What parts would I need to get the full OEM cruise control system? All I can think of is the following:

- Steering wheel (or just the buttons?)
- Dashboard buttons
- Harness
- Electronics unit behind dash
- Actuator
- Vacuum reservoir

Anything else? Can someone confirm this is all I will be needing?

Any help is much appreciated!