1. Risorius; origin: fascia over parotid gland; insertion: skin at angle of mouth
2. Mentalis; origin: mandible; insertion: skin of chin
3. Orbicularis oris; origin: muscle fibers surrounding opening of mouth; insertion: skin at corner of mouth
4. Corrugator supercilli; origin: medial end of superciliary arch of frontal bone; insertion: skin of eyebrow
5. Orbicularis oculi; origin: medial wall of orbit; insertion: circular path around orbit
6. Occipitofrontalis frontal belly; origin: epicranial aponeurosis; insertion: skin superior to supraorbital margin
Reference:
Tortora, & Derrickson. (2012). Chapter 11: The Muscular System. In Principles of anatomy and physiology (13th ed.).