Action scenes in roleplaying games are major highlights in the game. In Star Wars, more often than not, they should be THE highlight of the session, or the campaign. Creating good cinematic sequences is key.
Remember that action doesn't always mean combat. There doesn't even need to be a direct physical threat, if there is enough drama in the scene. The results of failure can manifest itself in other ways - the characters didn't get there in time to prevent x from happening, for instance.
Creating a good action sequence can be difficult.