1080p Stable Diffusion Faceswap

I have a short clip—under sixty seconds—shot in full-HD (1080p+). I need the face and body of one, possibly two, people in that footage replaced seamlessly using Stable Diffusion (or a comparable AI workflow you already trust)... (Budget: $30 - $250 USD, Jobs: After Effects, AI Image Generation, AI Model Development, AI Video Editing, Animation, Stable Diffusion, Video Editing, Video Services)