BonyFace 2.5 – 3dsmax Script
Is a professional solution for rigging and animating facial expressions on 3D Faces with ease and flexibility.
BonyFace is a 3dsmax Script (max 2008 and up) developed between us Fx,lda and scriptattack.com to drive custom 3D Meshes with a rig based on a Bones System to simulate how real muscles behave in a real face.
More details here