PEDESTRIAN ACCIDENT: Can I sue anyone else besides the driver of the car that hit me as a pedestrian?

Yes, you can sue anyone that is connected with the ownership of the vehicle, including employers, and the like.  You may also have an injury claim against multiple parties.  If you were injured by a drunk driver you may have a claim against the bar, restaurant, or establishment that served the driver alcohol under California Dram Shop Law.  Each case needs to be analyzed by an experienced attorney to determine any and all at-fault parties.